rustc_target/
json.rs

1use std::borrow::Cow;
2use std::collections::BTreeMap;
3
4pub use serde_json::Value as Json;
5use serde_json::{Map, Number, json};
6
7use crate::spec::TargetMetadata;
8
9pub trait ToJson {
10    fn to_json(&self) -> Json;
11}
12
13impl ToJson for Json {
14    fn to_json(&self) -> Json {
15        self.clone()
16    }
17}
18
19macro_rules! to_json_impl_num {
20    ($($t:ty), +) => (
21        $(impl ToJson for $t {
22            fn to_json(&self) -> Json {
23                Json::Number(Number::from(*self))
24            }
25        })+
26    )
27}
28
29to_json_impl_num! { isize, i8, i16, i32, i64, usize, u8, u16, u32, u64 }
30
31impl ToJson for bool {
32    fn to_json(&self) -> Json {
33        Json::Bool(*self)
34    }
35}
36
37impl ToJson for str {
38    fn to_json(&self) -> Json {
39        Json::String(self.to_owned())
40    }
41}
42
43impl ToJson for String {
44    fn to_json(&self) -> Json {
45        Json::String(self.to_owned())
46    }
47}
48
49impl<'a> ToJson for Cow<'a, str> {
50    fn to_json(&self) -> Json {
51        Json::String(self.to_string())
52    }
53}
54
55impl<A: ToJson> ToJson for [A] {
56    fn to_json(&self) -> Json {
57        Json::Array(self.iter().map(|elt| elt.to_json()).collect())
58    }
59}
60
61impl<A: ToJson> ToJson for Vec<A> {
62    fn to_json(&self) -> Json {
63        Json::Array(self.iter().map(|elt| elt.to_json()).collect())
64    }
65}
66
67impl<'a, A: ToJson> ToJson for Cow<'a, [A]>
68where
69    [A]: ToOwned,
70{
71    fn to_json(&self) -> Json {
72        Json::Array(self.iter().map(|elt| elt.to_json()).collect())
73    }
74}
75
76impl<T: ToString, A: ToJson> ToJson for BTreeMap<T, A> {
77    fn to_json(&self) -> Json {
78        let mut d = Map::new();
79        for (key, value) in self {
80            d.insert(key.to_string(), value.to_json());
81        }
82        Json::Object(d)
83    }
84}
85
86impl<A: ToJson> ToJson for Option<A> {
87    fn to_json(&self) -> Json {
88        match *self {
89            None => Json::Null,
90            Some(ref value) => value.to_json(),
91        }
92    }
93}
94
95impl ToJson for TargetMetadata {
96    fn to_json(&self) -> Json {
97        json!({
98            "description": self.description,
99            "tier": self.tier,
100            "host_tools": self.host_tools,
101            "std": self.std,
102        })
103    }
104}
105
106impl ToJson for rustc_abi::Endian {
107    fn to_json(&self) -> Json {
108        self.as_str().to_json()
109    }
110}
111
112impl ToJson for rustc_abi::CanonAbi {
113    fn to_json(&self) -> Json {
114        self.to_string().to_json()
115    }
116}
rustc_target/json.rs

rustc_target/
json.rs
