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NoArgsAttributeParser

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This commit is contained in:
Pavel Grigorenko
2025-06-19 02:05:47 +03:00
parent c65dccabac
commit 187babc35f
8 changed files with 100 additions and 114 deletions
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48
compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
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@@ -3,7 +3,10 @@ use rustc_feature::{AttributeTemplate, template};
use rustc_session::parse::feature_err;
use rustc_span::{Span, Symbol, sym};
use super::{AcceptMapping, AttributeOrder, AttributeParser, OnDuplicate, SingleAttributeParser};
use super::{
AcceptMapping, AttributeOrder, AttributeParser, NoArgsAttributeParser, OnDuplicate,
SingleAttributeParser,
};
use crate::context::{AcceptContext, FinalizeContext, Stage};
use crate::parser::ArgParser;
use crate::session_diagnostics::{NakedFunctionIncompatibleAttribute, NullOnExport};
@@ -43,19 +46,12 @@ impl<S: Stage> SingleAttributeParser<S> for OptimizeParser {
pub(crate) struct ColdParser;
impl<S: Stage> SingleAttributeParser<S> for ColdParser {
impl<S: Stage> NoArgsAttributeParser<S> for ColdParser {
const PATH: &[Symbol] = &[sym::cold];
const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepLast;
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn;
const TEMPLATE: AttributeTemplate = template!(Word);
fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> {
if let Err(span) = args.no_args() {
cx.expected_no_args(span);
return None;
}
Some(AttributeKind::Cold(cx.attr_span))
fn create(span: Span) -> AttributeKind {
AttributeKind::Cold(span)
}
}
@@ -194,38 +190,22 @@ impl<S: Stage> AttributeParser<S> for NakedParser {
}
pub(crate) struct TrackCallerParser;
impl<S: Stage> SingleAttributeParser<S> for TrackCallerParser {
impl<S: Stage> NoArgsAttributeParser<S> for TrackCallerParser {
const PATH: &[Symbol] = &[sym::track_caller];
const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepLast;
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn;
const TEMPLATE: AttributeTemplate = template!(Word);
fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> {
if let Err(span) = args.no_args() {
cx.expected_no_args(span);
return None;
}
Some(AttributeKind::TrackCaller(cx.attr_span))
fn create(span: Span) -> AttributeKind {
AttributeKind::TrackCaller(span)
}
}
pub(crate) struct NoMangleParser;
impl<S: Stage> SingleAttributeParser<S> for NoMangleParser {
const PATH: &[rustc_span::Symbol] = &[sym::no_mangle];
const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepLast;
impl<S: Stage> NoArgsAttributeParser<S> for NoMangleParser {
const PATH: &[Symbol] = &[sym::no_mangle];
const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn;
const TEMPLATE: AttributeTemplate = template!(Word);
fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> {
if let Err(span) = args.no_args() {
cx.expected_no_args(span);
return None;
}
Some(AttributeKind::NoMangle(cx.attr_span))
fn create(span: Span) -> AttributeKind {
AttributeKind::NoMangle(span)
}
}