31 lines
1.3 KiB
Rust
31 lines
1.3 KiB
Rust
use rustc_attr_data_structures::AttributeKind;
|
|
use rustc_feature::{AttributeTemplate, template};
|
|
use rustc_span::{Symbol, sym};
|
|
|
|
use crate::attributes::{AttributeOrder, OnDuplicate, SingleAttributeParser};
|
|
use crate::context::{AcceptContext, Stage};
|
|
use crate::parser::ArgParser;
|
|
|
|
pub(crate) struct LoopMatchParser;
|
|
impl<S: Stage> SingleAttributeParser<S> for LoopMatchParser {
|
|
const PATH: &[Symbol] = &[sym::loop_match];
|
|
const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepFirst;
|
|
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn;
|
|
const TEMPLATE: AttributeTemplate = template!(Word);
|
|
|
|
fn convert(cx: &mut AcceptContext<'_, '_, S>, _args: &ArgParser<'_>) -> Option<AttributeKind> {
|
|
Some(AttributeKind::LoopMatch(cx.attr_span))
|
|
}
|
|
}
|
|
|
|
pub(crate) struct ConstContinueParser;
|
|
impl<S: Stage> SingleAttributeParser<S> for ConstContinueParser {
|
|
const PATH: &[Symbol] = &[sym::const_continue];
|
|
const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepFirst;
|
|
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn;
|
|
const TEMPLATE: AttributeTemplate = template!(Word);
|
|
|
|
fn convert(cx: &mut AcceptContext<'_, '_, S>, _args: &ArgParser<'_>) -> Option<AttributeKind> {
|
|
Some(AttributeKind::ConstContinue(cx.attr_span))
|
|
}
|
|
}
|