proxmox-mirrors/proxmox
1
0
Fork 1
mirror of https://git.proxmox.com/git/proxmox synced 2025-08-05 18:00:26 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

api-macro: split struct handling into newtype, regular, unit, ...

Browse Source 
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
This commit is contained in:
Wolfgang Bumiller 2020-01-07 12:11:04 +01:00
parent 4c77a7fece
commit b9769de6b6
1 changed files with 35 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
proxmox-api-macro/src/api/structs.rs
View File

@ -2,13 +2,13 @@ use std::convert::TryInto;
use failure::Error;
use proc_macro2::TokenStream;
use proc_macro2::{Ident, TokenStream};
use quote::quote_spanned;
use super::Schema;
use crate::util::{self, JSONObject};
pub fn handle_struct(attribs: JSONObject, stru: syn::ItemStruct) -> Result<TokenStream, Error> {
pub fn handle_struct(attribs: JSONObject, mut stru: syn::ItemStruct) -> Result<TokenStream, Error> {
let mut schema: Schema = attribs.try_into()?;
if schema.description.is_none() {
@ -16,14 +16,31 @@ pub fn handle_struct(attribs: JSONObject, stru: syn::ItemStruct) -> Result<Token
util::derive_descriptions(&mut schema, &mut None, &doc_comment, doc_span)?;
}
match &stru.fields {
// unit structs, not sure about these?
syn::Fields::Unit => finish_schema(schema, &stru, &stru.ident),
syn::Fields::Unnamed(fields) if fields.unnamed.len() == 1 => {
handle_newtype_struct(schema, &mut stru)
}
syn::Fields::Unnamed(fields) => bail!(
fields.paren_token.span,
"api macro does not support tuple structs"
),
syn::Fields::Named(fields) => handle_regular_struct(schema, &mut stru),
}
}
pub fn finish_schema(
schema: Schema,
stru: &syn::ItemStruct,
name: &Ident,
) -> Result<TokenStream, Error> {
let schema = {
let mut ts = TokenStream::new();
schema.to_schema(&mut ts)?;
ts
};
let name = &stru.ident;
Ok(quote_spanned! { name.span() =>
#stru
impl #name {
@ -31,3 +48,17 @@ pub fn handle_struct(attribs: JSONObject, stru: syn::ItemStruct) -> Result<Token
}
})
}
pub fn handle_newtype_struct(
schema: Schema,
stru: &mut syn::ItemStruct,
) -> Result<TokenStream, Error> {
finish_schema(schema, &stru, &stru.ident)
}
pub fn handle_regular_struct(
schema: Schema,
stru: &mut syn::ItemStruct,
) -> Result<TokenStream, Error> {
todo!();
}