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proc_macro: fix current nightly/future stable ABI incompatibility

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This commit is contained in:
robojumper 2020-05-31 21:22:08 +02:00
parent e4bdc14951
commit 09ded918c4
4 changed files with 29 additions and 9 deletions
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13
crates/ra_proc_macro_srv/src/rustc_server.rs
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@ -463,9 +463,16 @@ impl server::Ident for Rustc {
}
impl server::Literal for Rustc {
// FIXME(eddyb) `Literal` should not expose internal `Debug` impls.
fn debug(&mut self, literal: &Self::Literal) -> String {
format!("{:?}", literal)
fn debug_kind(&mut self, _literal: &Self::Literal) -> String {
// r-a: debug_kind and suffix are unsupported; corresponding client code has been changed to not call these.
// They must still be present to be ABI-compatible and work with upstream proc_macro.
"".to_owned()
}
fn symbol(&mut self, literal: &Self::Literal) -> String {
literal.text.to_string()
}
fn suffix(&mut self, _literal: &Self::Literal) -> Option<String> {
None
}
fn integer(&mut self, n: &str) -> Self::Literal {