5bcb66cfb3
This adds four pieces of metadata to every target: - description - tier - host tools - std This information is currently scattered across target docs and both - not machine readable, making validation harder - sometimes subtly encoding by the table it's in, causing mistakes and making it harder to review changes to the properties By putting it in the compiler, we improve this. Later, we will use this canonical information to generate target documentation from it.
135 lines
3.2 KiB
Rust
135 lines
3.2 KiB
Rust
use std::borrow::Cow;
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use std::collections::BTreeMap;
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pub use serde_json::Value as Json;
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use serde_json::{json, Map, Number};
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use crate::spec::TargetMetadata;
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pub trait ToJson {
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fn to_json(&self) -> Json;
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}
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impl ToJson for Json {
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fn to_json(&self) -> Json {
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self.clone()
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}
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}
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macro_rules! to_json_impl_num {
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($($t:ty), +) => (
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$(impl ToJson for $t {
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fn to_json(&self) -> Json {
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Json::Number(Number::from(*self))
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}
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})+
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)
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}
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to_json_impl_num! { isize, i8, i16, i32, i64, usize, u8, u16, u32, u64 }
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impl ToJson for bool {
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fn to_json(&self) -> Json {
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Json::Bool(*self)
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}
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}
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impl ToJson for str {
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fn to_json(&self) -> Json {
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Json::String(self.to_owned())
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}
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}
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impl ToJson for String {
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fn to_json(&self) -> Json {
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Json::String(self.to_owned())
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}
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}
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impl<'a> ToJson for Cow<'a, str> {
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fn to_json(&self) -> Json {
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Json::String(self.to_string())
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}
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}
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impl<A: ToJson> ToJson for [A] {
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fn to_json(&self) -> Json {
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Json::Array(self.iter().map(|elt| elt.to_json()).collect())
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}
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}
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impl<A: ToJson> ToJson for Vec<A> {
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fn to_json(&self) -> Json {
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Json::Array(self.iter().map(|elt| elt.to_json()).collect())
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}
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}
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impl<'a, A: ToJson> ToJson for Cow<'a, [A]>
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where
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[A]: ToOwned,
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{
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fn to_json(&self) -> Json {
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Json::Array(self.iter().map(|elt| elt.to_json()).collect())
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}
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}
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impl<T: ToString, A: ToJson> ToJson for BTreeMap<T, A> {
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fn to_json(&self) -> Json {
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let mut d = Map::new();
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for (key, value) in self {
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d.insert(key.to_string(), value.to_json());
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}
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Json::Object(d)
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}
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}
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impl<A: ToJson> ToJson for Option<A> {
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fn to_json(&self) -> Json {
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match *self {
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None => Json::Null,
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Some(ref value) => value.to_json(),
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}
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}
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}
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impl ToJson for crate::abi::call::Conv {
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fn to_json(&self) -> Json {
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let buf: String;
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let s = match self {
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Self::C => "C",
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Self::Rust => "Rust",
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Self::Cold => "Cold",
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Self::PreserveMost => "PreserveMost",
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Self::PreserveAll => "PreserveAll",
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Self::ArmAapcs => "ArmAapcs",
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Self::CCmseNonSecureCall => "CCmseNonSecureCall",
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Self::Msp430Intr => "Msp430Intr",
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Self::PtxKernel => "PtxKernel",
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Self::X86Fastcall => "X86Fastcall",
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Self::X86Intr => "X86Intr",
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Self::X86Stdcall => "X86Stdcall",
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Self::X86ThisCall => "X86ThisCall",
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Self::X86VectorCall => "X86VectorCall",
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Self::X86_64SysV => "X86_64SysV",
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Self::X86_64Win64 => "X86_64Win64",
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Self::AvrInterrupt => "AvrInterrupt",
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Self::AvrNonBlockingInterrupt => "AvrNonBlockingInterrupt",
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Self::RiscvInterrupt { kind } => {
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buf = format!("RiscvInterrupt({})", kind.as_str());
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&buf
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}
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};
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Json::String(s.to_owned())
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}
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}
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impl ToJson for TargetMetadata {
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fn to_json(&self) -> Json {
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json!({
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"description": self.description,
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"tier": self.tier,
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"host_tools": self.host_tools,
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"std": self.std,
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})
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}
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}
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