bjoernager/rust
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Auto merge of #104861 - nnethercote:attr-cleanups, r=petrochenkov

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Attribute cleanups

Best reviewed one commit at a time.

r? `@petrochenkov`
This commit is contained in:
bors 2022-12-01 07:13:45 +00:00
commit d6c4de0fb2
29 changed files with 231 additions and 307 deletions
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19
compiler/rustc_ast_pretty/src/pprust/state.rs
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@ -19,7 +19,7 @@ use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece};
use rustc_span::edition::Edition;
use rustc_span::source_map::{SourceMap, Spanned};
use rustc_span::symbol::{kw, sym, Ident, IdentPrinter, Symbol};
use rustc_span::{BytePos, FileName, Span};
use rustc_span::{BytePos, FileName, Span, DUMMY_SP};
use rustc_ast::attr::AttrIdGenerator;
use std::borrow::Cow;
@ -120,17 +120,20 @@ pub fn print_crate<'a>(
// of the feature gate, so we fake them up here.
// `#![feature(prelude_import)]`
let pi_nested = attr::mk_nested_word_item(Ident::with_dummy_span(sym::prelude_import));
let list = attr::mk_list_item(Ident::with_dummy_span(sym::feature), vec![pi_nested]);
let fake_attr = attr::mk_attr_inner(g, list);
let fake_attr = attr::mk_attr_nested_word(
g,
ast::AttrStyle::Inner,
sym::feature,
sym::prelude_import,
DUMMY_SP,
);
s.print_attribute(&fake_attr);
// Currently, in Rust 2018 we don't have `extern crate std;` at the crate
// root, so this is not needed, and actually breaks things.
if edition == Edition::Edition2015 {
// `#![no_std]`
let no_std_meta = attr::mk_word_item(Ident::with_dummy_span(sym::no_std));
let fake_attr = attr::mk_attr_inner(g, no_std_meta);
let fake_attr = attr::mk_attr_word(g, ast::AttrStyle::Inner, sym::no_std, DUMMY_SP);
s.print_attribute(&fake_attr);
}
}
@ -1713,9 +1716,9 @@ impl<'a> State<'a> {
where_clause: ast::WhereClause {
has_where_token: false,
predicates: Vec::new(),
span: rustc_span::DUMMY_SP,
span: DUMMY_SP,
},
span: rustc_span::DUMMY_SP,
span: DUMMY_SP,
};
let header = ast::FnHeader { unsafety, ext, ..ast::FnHeader::default() };
self.print_fn(decl, header, name, &generics);