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MendyBergerMendyBerger
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Added serde support to wit-encoder (#1647)
* Added serde support to wit-encoder * Added serde feature notes
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19 files changed

+85
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‎Cargo.lock‎

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‎crates/wit-encoder/Cargo.toml‎

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@@ -10,9 +10,24 @@ version.workspace = true
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[lints]
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workspace = true
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[features]
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default = ["serde"]
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# Enables JSON serialization/deserialization of the wit-encoder structures.
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# *Note*: The JSON that this generates is different from the JSON generated from wit-parser.
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# If you're looking to create WIT from JSON, then this is the crate and feature for you. But if
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# you're parsing WIT and reading the output through JSON, then wit-parser is probably the better
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# option.
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# *Note*: The exact structure of the JSON is likely not going to be very stable over time,
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# so slight tweaks and variants should be expected as this crate evolves.
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serde = ["dep:serde", "semver/serde"]
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[dependencies]
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semver = { workspace = true }
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pretty_assertions = { workspace = true }
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serde = { workspace = true, optional = true, features = ["derive"] }
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[dev-dependencies]
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indoc = { workspace = true }

‎crates/wit-encoder/src/docs.rs‎

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@@ -4,6 +4,8 @@ use crate::{Render, RenderOpts};
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/// Documentation
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Docs {
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contents: String,
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}

‎crates/wit-encoder/src/enum_.rs‎

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@@ -2,6 +2,8 @@ use crate::{Docs, Ident};
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/// A variant without a payload
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Enum {
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pub(crate) cases: Vec<EnumCase>,
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}
@@ -36,6 +38,8 @@ impl Enum {
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}
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct EnumCase {
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pub(crate) name: Ident,
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pub(crate) docs: Option<Docs>,

‎crates/wit-encoder/src/flags.rs‎

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@@ -1,6 +1,8 @@
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use crate::{ident::Ident, Docs};
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Flags {
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pub(crate) flags: Vec<Flag>,
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}
@@ -22,6 +24,8 @@ impl Flags {
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}
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Flag {
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pub(crate) name: Ident,
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pub(crate) docs: Option<Docs>,

‎crates/wit-encoder/src/function.rs‎

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@@ -3,6 +3,8 @@ use std::fmt::{self, Display};
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use crate::{ident::Ident, Docs, Type};
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Params {
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items: Vec<(Ident, Type)>,
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}
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}
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub enum Results {
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Named(Params),
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Anon(Type),
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}
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct StandaloneFunc {
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pub(crate) name: Ident,
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pub(crate) params: Params,

‎crates/wit-encoder/src/ident.rs‎

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use std::{borrow::Cow, fmt};
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Ident(Cow<'static, str>);
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impl Ident {

‎crates/wit-encoder/src/include.rs‎

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@@ -4,6 +4,8 @@ use crate::{Ident, Render};
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/// Enable the union of a world with another world
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Include {
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use_path: Ident,
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include_names_list: Vec<(String, String)>,

‎crates/wit-encoder/src/interface.rs‎

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@@ -3,6 +3,8 @@ use std::fmt;
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use crate::{Docs, Ident, Render, RenderOpts, StandaloneFunc, TypeDef, Use};
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Interface {
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/// Name of this interface.
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pub(crate) name: Ident,
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}
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub enum InterfaceItem {
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TypeDef(TypeDef),
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Use(Use),

‎crates/wit-encoder/src/package.rs‎

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@@ -10,6 +10,8 @@ use crate::{ident::Ident, Interface, Render, RenderOpts, World};
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/// have a unique identifier that affects generated components and uniquely
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/// identifiers this particular package.
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct Package {
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/// A unique name corresponding to this package.
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name: PackageName,
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}
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub enum PackageItem {
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Interface(Interface),
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World(World),
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/// This is directly encoded as an "ID" in the binary component representation
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/// with an interfaced tacked on as well.
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
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#[cfg_attr(feature = "serde", serde(rename_all = "kebab-case"))]
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pub struct PackageName {
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/// A namespace such as `wasi` in `wasi:foo/bar`
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namespace: String,

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