1use crate::{2 error::{Error::*, LocError, Result},3 throw, LazyBinding, LazyVal, ObjMember, ObjValue, Val,4};5use jrsonnet_parser::Visibility;6use serde_json::{Map, Number, Value};7use std::{8 collections::HashMap,9 convert::{TryFrom, TryInto},10 rc::Rc,11};1213impl TryFrom<&Val> for Value {14 type Error = LocError;15 fn try_from(v: &Val) -> Result<Self> {16 Ok(match v {17 Val::Bool(b) => Value::Bool(*b),18 Val::Null => Value::Null,19 Val::Str(s) => Value::String((&s as &str).into()),20 Val::Num(n) => Value::Number(if n.fract() <= f64::EPSILON {21 (*n as i64).into()22 } else {23 Number::from_f64(*n).expect("to json number")24 }),25 Val::Lazy(v) => (&v.evaluate()?).try_into()?,26 Val::Arr(a) => {27 let mut out = Vec::with_capacity(a.len());28 for item in a.iter() {29 out.push(item.try_into()?);30 }31 Value::Array(out)32 }33 Val::Obj(o) => {34 let mut out = Map::new();35 for key in o.visible_fields() {36 out.insert(37 (&key as &str).into(),38 (&o.get(key)?.expect("field exists")).try_into()?,39 );40 }41 Value::Object(out)42 }43 Val::Func(_) | Val::Intristic(_, _) | Val::NativeExt(_, _) => {44 throw!(RuntimeError("tried to manifest function".into()))45 }46 })47 }48}4950impl From<&Value> for Val {51 fn from(v: &Value) -> Self {52 match v {53 Value::Null => Val::Null,54 Value::Bool(v) => Val::Bool(*v),55 Value::Number(n) => Val::Num(n.as_f64().expect("as f64")),56 Value::String(s) => Val::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(v.into());61 }62 Val::Arr(Rc::new(out))63 }64 Value::Object(o) => {65 let mut entries = HashMap::with_capacity(o.len());66 for (k, v) in o {67 entries.insert(68 (k as &str).into(),69 ObjMember {70 add: false,71 visibility: Visibility::Normal,72 invoke: LazyBinding::Bound(LazyVal::new_resolved(v.into())),73 location: None,74 },75 );76 }77 Val::Obj(ObjValue::new(None, Rc::new(entries)))78 }79 }80 }81}