1use crate::{2 error::{Error::*, LocError, Result},3 throw, LazyBinding, LazyVal, ObjMember, ObjValue, Val,4};5use jrsonnet_parser::Visibility;6use rustc_hash::FxHasher;7use serde_json::{Map, Number, Value};8use std::{9 collections::HashMap,10 convert::{TryFrom, TryInto},11 hash::BuildHasherDefault,12 rc::Rc,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 })46 }47}4849impl From<&Value> for Val {50 fn from(v: &Value) -> Self {51 match v {52 Value::Null => Self::Null,53 Value::Bool(v) => Self::Bool(*v),54 Value::Number(n) => Self::Num(n.as_f64().expect("as f64")),55 Value::String(s) => Self::Str((s as &str).into()),56 Value::Array(a) => {57 let mut out = Vec::with_capacity(a.len());58 for v in a {59 out.push(LazyVal::new_resolved(v.into()));60 }61 Self::Arr(out.into())62 }63 Value::Object(o) => {64 let mut entries = HashMap::with_capacity_and_hasher(65 o.len(),66 BuildHasherDefault::<FxHasher>::default(),67 );68 for (k, v) in o {69 entries.insert(70 (k as &str).into(),71 ObjMember {72 add: false,73 visibility: Visibility::Normal,74 invoke: LazyBinding::Bound(LazyVal::new_resolved(v.into())),75 location: None,76 },77 );78 }79 Self::Obj(ObjValue::new(None, Rc::new(entries)))80 }81 }82 }83}