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Improve overall quality of compile_error! errors

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Also updates UI tests.
This commit is contained in:
hcpl
2018-11-29 08:01:17 +02:00
parent 8f3f073017
commit 034db9f20f
69 changed files with 714 additions and 429 deletions
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serde_derive/src/ser.rs
+7 -4
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@@ -9,9 +9,12 @@ use internals::{attr, Ctxt, Derive};
use pretend;
use try;
pub fn expand_derive_serialize(input: &syn::DeriveInput) -> Result<TokenStream, String> {
pub fn expand_derive_serialize(input: &syn::DeriveInput) -> Result<TokenStream, Vec<syn::Error>> {
let ctxt = Ctxt::new();
let cont = Container::from_ast(&ctxt, input, Derive::Serialize);
let cont = match Container::from_ast(&ctxt, input, Derive::Serialize) {
Some(cont) => cont,
None => return Err(ctxt.check().unwrap_err()),
};
precondition(&ctxt, &cont);
try!(ctxt.check());
@@ -72,10 +75,10 @@ fn precondition(cx: &Ctxt, cont: &Container) {
match cont.attrs.identifier() {
attr::Identifier::No => {}
attr::Identifier::Field => {
cx.error("field identifiers cannot be serialized");
cx.error_spanned_by(cont.original, "field identifiers cannot be serialized");
}
attr::Identifier::Variant => {
cx.error("variant identifiers cannot be serialized");
cx.error_spanned_by(cont.original, "variant identifiers cannot be serialized");
}
}
}