1use crate::{2 error::{Error::*, LocError, Result},3 throw, LazyBinding, LazyVal, ObjMember, ObjValue, Val,4};5use gc::Gc;6use jrsonnet_parser::Visibility;7use rustc_hash::FxHasher;8use serde_json::{Map, Number, Value};9use std::{10 collections::HashMap,11 convert::{TryFrom, TryInto},12 hash::BuildHasherDefault,13};1415impl TryFrom<&Val> for Value {16 type Error = LocError;17 fn try_from(v: &Val) -> Result<Self> {18 Ok(match v {19 Val::Bool(b) => Self::Bool(*b),20 Val::Null => Self::Null,21 Val::Str(s) => Self::String((s as &str).into()),22 Val::Num(n) => Self::Number(if n.fract() <= f64::EPSILON {23 (*n as i64).into()24 } else {25 Number::from_f64(*n).expect("to json number")26 }),27 Val::Arr(a) => {28 let mut out = Vec::with_capacity(a.len());29 for item in a.iter() {30 out.push((&item?).try_into()?);31 }32 Self::Array(out)33 }34 Val::Obj(o) => {35 let mut out = Map::new();36 for key in o.fields() {37 out.insert(38 (&key as &str).into(),39 (&o.get(key)?.expect("field exists")).try_into()?,40 );41 }42 Self::Object(out)43 }44 Val::Func(_) => throw!(RuntimeError("tried to manifest function".into())),45 Val::DebugGcTraceValue(v) => Self::try_from(&*v.value as &Val)?,46 })47 }48}4950impl From<&Value> for Val {51 fn from(v: &Value) -> Self {52 match v {53 Value::Null => Self::Null,54 Value::Bool(v) => Self::Bool(*v),55 Value::Number(n) => Self::Num(n.as_f64().expect("as f64")),56 Value::String(s) => Self::Str((s as &str).into()),57 Value::Array(a) => {58 let mut out = Vec::with_capacity(a.len());59 for v in a {60 out.push(LazyVal::new_resolved(v.into()));61 }62 Self::Arr(out.into())63 }64 Value::Object(o) => {65 let mut entries = HashMap::with_capacity_and_hasher(66 o.len(),67 BuildHasherDefault::<FxHasher>::default(),68 );69 for (k, v) in o {70 entries.insert(71 (k as &str).into(),72 ObjMember {73 add: false,74 visibility: Visibility::Normal,75 invoke: LazyBinding::Bound(LazyVal::new_resolved(v.into())),76 location: None,77 },78 );79 }80 Self::Obj(ObjValue::new(None, Gc::new(entries), Gc::new(Vec::new())))81 }82 }83 }84}