rustc_attr_parsing/attributes/
lint_helpers.rs

1use rustc_attr_data_structures::AttributeKind;
2use rustc_feature::{AttributeTemplate, template};
3use rustc_span::{Symbol, sym};
4
5use crate::attributes::{AttributeOrder, OnDuplicate, SingleAttributeParser};
6use crate::context::{AcceptContext, Stage};
7use crate::parser::ArgParser;
8
9pub(crate) struct AsPtrParser;
10
11impl<S: Stage> SingleAttributeParser<S> for AsPtrParser {
12    const PATH: &[Symbol] = &[sym::rustc_as_ptr];
13    const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepFirst;
14    const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
15    const TEMPLATE: AttributeTemplate = template!(Word);
16
17    fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> {
18        if let Err(span) = args.no_args() {
19            cx.expected_no_args(span);
20        }
21        Some(AttributeKind::AsPtr(cx.attr_span))
22    }
23}
24
25pub(crate) struct PubTransparentParser;
26impl<S: Stage> SingleAttributeParser<S> for PubTransparentParser {
27    const PATH: &[Symbol] = &[sym::rustc_pub_transparent];
28    const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepFirst;
29    const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
30    const TEMPLATE: AttributeTemplate = template!(Word);
31
32    fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> {
33        if let Err(span) = args.no_args() {
34            cx.expected_no_args(span);
35        }
36        Some(AttributeKind::PubTransparent(cx.attr_span))
37    }
38}
rustc_attr_parsing/attributes/lint_helpers.rs

rustc_attr_parsing/attributes/
lint_helpers.rs
