bjoernager/rust
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Revert #96682.

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The change was "Show invisible delimiters (within comments) when pretty
printing". It's useful to show these delimiters, but is a breaking
change for some proc macros.

Fixes #97608.
This commit is contained in:
Nicholas Nethercote 2022-06-02 10:49:22 +10:00
parent bef2b7cd1c
commit 77e1069a5d
17 changed files with 68 additions and 110 deletions
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23
compiler/rustc_ast_pretty/src/pprust/state.rs
View file

@ -590,29 +590,15 @@ pub trait PrintState<'a>: std::ops::Deref<Target = pp::Printer> + std::ops::Dere
self.nbsp();
}
self.word("{");
let empty = tts.is_empty();
if !empty {
if !tts.is_empty() {
self.space();
}
self.ibox(0);
self.print_tts(tts, convert_dollar_crate);
self.end();
let empty = tts.is_empty();
self.bclose(span, empty);
}
Some(Delimiter::Invisible) => {
self.word("/*«*/");
let empty = tts.is_empty();
if !empty {
self.space();
}
self.ibox(0);
self.print_tts(tts, convert_dollar_crate);
self.end();
if !empty {
self.space();
}
self.word("/*»*/");
}
Some(delim) => {
let token_str = self.token_kind_to_string(&token::OpenDelim(delim));
self.word(token_str);
@ -786,8 +772,9 @@ pub trait PrintState<'a>: std::ops::Deref<Target = pp::Printer> + std::ops::Dere
token::CloseDelim(Delimiter::Bracket) => "]".into(),
token::OpenDelim(Delimiter::Brace) => "{".into(),
token::CloseDelim(Delimiter::Brace) => "}".into(),
token::OpenDelim(Delimiter::Invisible) => "/*«*/".into(),
token::CloseDelim(Delimiter::Invisible) => "/*»*/".into(),
token::OpenDelim(Delimiter::Invisible) | token::CloseDelim(Delimiter::Invisible) => {
"".into()
}
token::Pound => "#".into(),
token::Dollar => "$".into(),
token::Question => "?".into(),