difftreelog
refactor! implement serde support directly
in: master
Instead of relying on `serde_json::Value`. BREAKING CHANGE: There is no longer `impl Typed for serde_json::Value`, either parse directly into jrsonnet-evaluator, or use `serde_transcode`
9 files changed
.envrcdiffbeforeafterbothno changes
cmds/jrsonnet/Cargo.tomldiffbeforeafterboth13# Experimental feature, which allows to preserve order of object fields13# Experimental feature, which allows to preserve order of object fields14exp-preserve-order = [14exp-preserve-order = [15 "jrsonnet-evaluator/exp-preserve-order",15 "jrsonnet-evaluator/exp-preserve-order",16 "jrsonnet-evaluator/exp-serde-preserve-order",17 "jrsonnet-cli/exp-preserve-order",16 "jrsonnet-cli/exp-preserve-order",18 "jrsonnet-cli/exp-serde-preserve-order",19]17]20# Destructuring of locals18# Destructuring of locals21exp-destruct = ["jrsonnet-evaluator/exp-destruct"]19exp-destruct = ["jrsonnet-evaluator/exp-destruct"]crates/jrsonnet-cli/Cargo.tomldiffbeforeafterboth11 "jrsonnet-evaluator/exp-preserve-order",11 "jrsonnet-evaluator/exp-preserve-order",12 "jrsonnet-stdlib/exp-preserve-order",12 "jrsonnet-stdlib/exp-preserve-order",13]13]14exp-serde-preserve-order = [15 "jrsonnet-evaluator/exp-serde-preserve-order",16 "jrsonnet-stdlib/exp-serde-preserve-order",17]18legacy-this-file = ["jrsonnet-stdlib/legacy-this-file"]14legacy-this-file = ["jrsonnet-stdlib/legacy-this-file"]191520[dependencies]16[dependencies]crates/jrsonnet-evaluator/Cargo.tomldiffbeforeafterboth181819# Allows to preserve field order in objects19# Allows to preserve field order in objects20exp-preserve-order = []20exp-preserve-order = []21exp-serde-preserve-order = ["serde_json/preserve_order"]22# Implements field destructuring21# Implements field destructuring23exp-destruct = ["jrsonnet-parser/exp-destruct"]22exp-destruct = ["jrsonnet-parser/exp-destruct"]24# Provide Typed for conversions to/from serde_json::Value type23# Provide Typed for conversions to/from serde_json::Value type40thiserror = "1.0"39thiserror = "1.0"414042serde = "1.0"41serde = "1.0"43# Optional integration44serde_json = { version = "1.0.82", optional = true }454246anyhow = { version = "1.0", optional = true }43anyhow = { version = "1.0", optional = true }47# Friendly errors44# Friendly errorscrates/jrsonnet-evaluator/src/integrations/serde.rsdiffbeforeafterboth1use jrsonnet_types::ComplexValType;1use std::borrow::Cow;23use jrsonnet_gcmodule::Cc;2use serde_json::{Map, Number, Value};4use serde::{de::Visitor, ser::Error, Deserialize, Serialize};354use crate::{6use crate::{error::Result, val::ArrValue, ObjValueBuilder, State, Val};5 error::{Error::*, Result},76 throw,8impl<'de> Deserialize<'de> for Val {7 typed::Typed,9 fn deserialize<D>(deserializer: D) -> Result<Val, D::Error>8 ObjValueBuilder, State, Val,10 where9};11 D: serde::Deserializer<'de>,12 {13 struct ValVisitor;1415 // macro_rules! visit_num {16 // ($($method:ident => $ty:ty),* $(,)?) => {$(17 // fn $method<E>(self, v: $ty) -> Result<Self::Value, E>18 // where19 // E: serde::de::Error,20 // {21 // Ok(Val::Num(f64::from(v)))22 // }23 // )*};24 // }2526 impl<'de> Visitor<'de> for ValVisitor {27 type Value = Val;2829 fn visit_bool<E>(self, v: bool) -> Result<Self::Value, E>30 where31 E: serde::de::Error,32 {33 Ok(Val::Bool(v))34 }35 fn visit_f64<E>(self, v: f64) -> Result<Self::Value, E>36 where37 E: serde::de::Error,38 {39 if !v.is_finite() {40 return Err(E::custom("only finite numbers are supported"));41 }42 Ok(Val::Num(v))43 }44 fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>45 where46 E: serde::de::Error,47 {48 Ok(Val::Str(v.into()))49 }5051 // visit_num! {52 // visit_i8 => i8,53 // visit_i16 => i16,54 // visit_i32 => i32,55 // visit_u8 => u8,56 // visit_u16 => u16,57 // visit_u32 => u32,58 // }59 fn visit_i64<E>(self, v: i64) -> Result<Self::Value, E>60 where61 E: serde::de::Error,62 {63 Ok(Val::Num(v as f64))64 }65 fn visit_u64<E>(self, v: u64) -> Result<Self::Value, E>66 where67 E: serde::de::Error,68 {69 Ok(Val::Num(v as f64))70 }7172 fn visit_bytes<E>(self, v: &[u8]) -> Result<Self::Value, E>73 where74 E: serde::de::Error,75 {76 Ok(Val::Arr(ArrValue::Bytes(v.into())))77 }7879 fn visit_none<E>(self) -> Result<Self::Value, E>80 where81 E: serde::de::Error,82 {83 Ok(Val::Null)84 }85 fn visit_some<D>(self, deserializer: D) -> Result<Self::Value, D::Error>86 where87 D: serde::Deserializer<'de>,88 {89 deserializer.deserialize_any(self)90 }9192 fn visit_unit<E>(self) -> Result<Self::Value, E>93 where94 E: serde::de::Error,95 {96 Ok(Val::Null)97 }9899 fn visit_newtype_struct<D>(self, deserializer: D) -> Result<Self::Value, D::Error>100 where101 D: serde::Deserializer<'de>,102 {103 deserializer.deserialize_any(self)104 }105106 fn visit_seq<A>(self, mut seq: A) -> Result<Self::Value, A::Error>107 where108 A: serde::de::SeqAccess<'de>,109 {110 let mut out = seq.size_hint().map_or_else(Vec::new, Vec::with_capacity);111112 while let Some(val) = seq.next_element::<Val>()? {113 out.push(val);114 }115116 Ok(Val::Arr(ArrValue::Eager(Cc::new(out))))117 }118119 fn visit_map<A>(self, mut map: A) -> Result<Self::Value, A::Error>120 where121 A: serde::de::MapAccess<'de>,122 {123 let mut out = map124 .size_hint()125 .map_or_else(ObjValueBuilder::new, ObjValueBuilder::with_capacity);126127 while let Some((k, v)) = map.next_entry::<Cow<'de, str>, Val>()? {128 // Jsonnet ignores duplicate keys129 out.member(k.into()).value_unchecked(v);130 }131132 Ok(Val::Obj(out.build()))133 }134135 fn expecting(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {136 write!(formatter, "any valid jsonnet value")137 }138 }139 deserializer.deserialize_any(ValVisitor)140 }141}1014211impl Typed for Value {143impl Serialize for Val {12 const TYPE: &'static ComplexValType = &ComplexValType::Any;1314 fn into_untyped(value: Self, s: State) -> Result<Val> {15 Ok(match value {16 Self::Null => Val::Null,17 Self::Bool(v) => Val::Bool(v),18 Self::Number(n) => Val::Num(n.as_f64().ok_or_else(|| {19 RuntimeError(format!("json number can't be represented as jsonnet: {n}").into())20 })?),21 Self::String(s) => Val::Str((&s as &str).into()),22 Self::Array(a) => {23 let mut out: Vec<Val> = Vec::with_capacity(a.len());24 for v in a {25 out.push(Self::into_untyped(v, s.clone())?);26 }27 Val::Arr(out.into())28 }29 Self::Object(o) => {30 let mut builder = ObjValueBuilder::with_capacity(o.len());31 for (k, v) in o {32 builder33 .member((&k as &str).into())34 .value(s.clone(), Self::into_untyped(v, s.clone())?)?;35 }36 Val::Obj(builder.build())37 }38 })39 }4041 fn from_untyped(value: Val, s: State) -> Result<Self> {144 fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>145 where146 S: serde::Serializer,147 {42 Ok(match value {148 match self {43 Val::Bool(b) => Self::Bool(b),149 Val::Bool(v) => serializer.serialize_bool(*v),44 Val::Null => Self::Null,150 Val::Null => serializer.serialize_none(),45 Val::Str(s) => Self::String((&s as &str).into()),151 Val::Str(s) => serializer.serialize_str(s),46 Val::Num(n) => Self::Number(if n.fract() <= f64::EPSILON {152 Val::Num(n) => serializer.serialize_f64(*n),47 (n as i64).into()48 } else {49 Number::from_f64(n).expect("jsonnet numbers can't be infinite or NaN")50 }),51 Val::Arr(a) => {153 Val::Arr(arr) => {52 let mut out = Vec::with_capacity(a.len());154 let mut seq = serializer.serialize_seq(Some(arr.len()))?;53 for item in a.iter(s.clone()) {155 for element in arr.iter(State::default()) {54 out.push(Self::from_untyped(item?, s.clone())?);156 // seq.serialize_element()55 }157 }56 Self::Array(out)158 todo!()57 }159 }58 Val::Obj(o) => {160 Val::Obj(_) => todo!(),59 let mut out = Map::new();60 for key in o.fields(61 #[cfg(feature = "exp-preserve-order")]62 cfg!(feature = "exp-serde-preserve-order"),63 ) {64 out.insert(65 (&key as &str).into(),66 Self::from_untyped(67 o.get(s.clone(), key)?68 .expect("key is present in fields, so value should exist"),69 s.clone(),70 )?,71 );72 }73 Self::Object(out)74 }75 Val::Func(_) => throw!("tried to manifest function"),161 Val::Func(_) => Err(S::Error::custom("tried to manifest function")),76 })162 }77 }163 }78}164}79165crates/jrsonnet-stdlib/Cargo.tomldiffbeforeafterboth15legacy-this-file = []15legacy-this-file = []16# Add order preservation flag to some functions16# Add order preservation flag to some functions17exp-preserve-order = ["jrsonnet-evaluator/exp-preserve-order"]17exp-preserve-order = ["jrsonnet-evaluator/exp-preserve-order"]18# Preserve order for files parsed via `std.parseJson`19# Shame it isn't possible to enable per parse call, instead of globally20exp-serde-preserve-order = [21 "serde_json/preserve_order",22 "jrsonnet-evaluator/exp-serde-preserve-order",23]241825[dependencies]19[dependencies]26jrsonnet-evaluator = { path = "../jrsonnet-evaluator", features = [20jrsonnet-evaluator = { path = "../jrsonnet-evaluator", version = "0.4.2" }27 # std.parseJson parses file via serde, then converts Value to evaluator Val28 "serde_json",29], version = "0.4.2" }30jrsonnet-macros = { path = "../jrsonnet-macros", version = "0.4.2" }21jrsonnet-macros = { path = "../jrsonnet-macros", version = "0.4.2" }31jrsonnet-parser = { path = "../jrsonnet-parser", version = "0.4.2" }22jrsonnet-parser = { path = "../jrsonnet-parser", version = "0.4.2" }32jrsonnet-gcmodule = "0.3.4"23jrsonnet-gcmodule = "0.3.4"crates/jrsonnet-stdlib/src/lib.rsdiffbeforeafterboth667use jrsonnet_evaluator::{7use jrsonnet_evaluator::{8 error::{Error::*, Result},8 error::{Error::*, Result},9 function::{builtin::Builtin, ArgLike, CallLocation, FuncVal, TlaArg},9 function::{builtin::Builtin, CallLocation, FuncVal, TlaArg},10 gc::{GcHashMap, TraceBox},10 gc::{GcHashMap, TraceBox},11 tb, throw,11 tb,12 trace::PathResolver,12 trace::PathResolver,13 typed::{Any, Either, Either2, Either4, VecVal, M1},14 val::{equals, ArrValue},15 Context, ContextBuilder, IStr, ObjValue, ObjValueBuilder, State, Thunk, Val,13 Context, ContextBuilder, IStr, ObjValue, ObjValueBuilder, State, Thunk, Val,16};14};17use jrsonnet_gcmodule::Cc;15use jrsonnet_gcmodule::Cc;18use jrsonnet_macros::builtin;19use jrsonnet_parser::Source;16use jrsonnet_parser::Source;201721mod expr;18mod expr;crates/jrsonnet-stdlib/src/parse.rsdiffbeforeafterboth1use jrsonnet_evaluator::{1use jrsonnet_evaluator::{2 error::{Error::RuntimeError, Result},2 error::{Error::RuntimeError, Result},3 function::builtin,3 function::builtin,4 typed::{Any, Typed},4 typed::Any,5 IStr, State, Val,5 IStr, Val,6};6};7use serde::Deserialize;7use serde::Deserialize;889#[builtin]9#[builtin]10pub fn builtin_parse_json(st: State, s: IStr) -> Result<Any> {10pub fn builtin_parse_json(s: IStr) -> Result<Any> {11 use serde_json::Value;12 let value: Value = serde_json::from_str(&s)11 let value: Val = serde_json::from_str(&s)13 .map_err(|e| RuntimeError(format!("failed to parse json: {}", e).into()))?;12 .map_err(|e| RuntimeError(format!("failed to parse json: {}", e).into()))?;14 Ok(Any(Value::into_untyped(value, st)?))13 Ok(Any(value))15}14}161517#[builtin]16#[builtin]18pub fn builtin_parse_yaml(st: State, s: IStr) -> Result<Any> {17pub fn builtin_parse_yaml(s: IStr) -> Result<Any> {19 use serde_json::Value;20 use serde_yaml_with_quirks::DeserializingQuirks;18 use serde_yaml_with_quirks::DeserializingQuirks;21 let value = serde_yaml_with_quirks::Deserializer::from_str_with_quirks(19 let value = serde_yaml_with_quirks::Deserializer::from_str_with_quirks(22 &s,20 &s,23 DeserializingQuirks { old_octals: true },21 DeserializingQuirks { old_octals: true },24 );22 );25 let mut out = vec![];23 let mut out = vec![];26 for item in value {24 for item in value {27 let value = Value::deserialize(item)25 let val = Val::deserialize(item)28 .map_err(|e| RuntimeError(format!("failed to parse yaml: {}", e).into()))?;26 .map_err(|e| RuntimeError(format!("failed to parse yaml: {}", e).into()))?;29 let val = Value::into_untyped(value, st.clone())?;30 out.push(val);27 out.push(val);31 }28 }32 Ok(Any(if out.is_empty() {29 Ok(Any(if out.is_empty() {flake.nixdiffbeforeafterbothno changes