bjoernager/rust
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Use cfg_attr as a name more.

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In various functions where the attribute being processed is known to be
a `#[cfg_attr(...)]` attribute. I find this a helpful reminder.
This commit is contained in:
Nicholas Nethercote 2024-07-10 15:11:57 +10:00
parent fee152556f
commit d8b6aa6d0d
2 changed files with 14 additions and 14 deletions
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6
compiler/rustc_parse/src/lib.rs
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@ -157,14 +157,14 @@ pub fn fake_token_stream_for_crate(psess: &ParseSess, krate: &ast::Crate) -> Tok
}
pub fn parse_cfg_attr(
attr: &Attribute,
cfg_attr: &Attribute,
psess: &ParseSess,
) -> Option<(MetaItem, Vec<(AttrItem, Span)>)> {
const CFG_ATTR_GRAMMAR_HELP: &str = "#[cfg_attr(condition, attribute, other_attribute, ...)]";
const CFG_ATTR_NOTE_REF: &str = "for more information, visit \
<https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute>";
match attr.get_normal_item().args {
match cfg_attr.get_normal_item().args {
ast::AttrArgs::Delimited(ast::DelimArgs { dspan, delim, ref tokens })
if !tokens.is_empty() =>
{
@ -180,7 +180,7 @@ pub fn parse_cfg_attr(
}
_ => {
psess.dcx().emit_err(errors::MalformedCfgAttr {
span: attr.span,
span: cfg_attr.span,
sugg: CFG_ATTR_GRAMMAR_HELP,
});
}