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|
//! Completion for lints
use ide_db::helpers::generated_lints::Lint;
use syntax::ast;
use crate::{
context::CompletionContext,
item::{CompletionItem, CompletionItemKind, CompletionKind},
Completions,
};
pub(super) fn complete_lint(
acc: &mut Completions,
ctx: &CompletionContext,
derive_input: ast::TokenTree,
lints_completions: &[Lint],
) {
if let Some(existing_lints) = super::parse_comma_sep_input(derive_input) {
for lint_completion in lints_completions
.into_iter()
.filter(|completion| !existing_lints.contains(completion.label))
{
let mut item = CompletionItem::new(
CompletionKind::Attribute,
ctx.source_range(),
lint_completion.label,
);
item.kind(CompletionItemKind::Attribute)
.documentation(hir::Documentation::new(lint_completion.description.to_owned()));
item.add_to(acc)
}
}
}
#[cfg(test)]
mod tests {
use crate::tests::check_edit;
#[test]
fn check_empty() {
check_edit(
"deprecated",
r#"#[allow($0)] struct Test;"#,
r#"#[allow(deprecated)] struct Test;"#,
)
}
#[test]
fn check_with_existing() {
check_edit(
"deprecated",
r#"#[allow(keyword_idents, $0)] struct Test;"#,
r#"#[allow(keyword_idents, deprecated)] struct Test;"#,
)
}
#[test]
fn check_qualified() {
check_edit(
"deprecated",
r#"#[allow(keyword_idents, $0)] struct Test;"#,
r#"#[allow(keyword_idents, deprecated)] struct Test;"#,
)
}
#[test]
fn check_feature() {
check_edit(
"box_syntax",
r#"#[feature(box_$0)] struct Test;"#,
r#"#[feature(box_syntax)] struct Test;"#,
)
}
}
|
