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Don't take the parent kind of trailing attributes in attr completion

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This commit is contained in:
Lukas Wirth 2021-05-31 15:35:22 +02:00
parent d7cbb49057
commit 741b2f531f
1 changed files with 53 additions and 3 deletions
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56
crates/ide_completion/src/completions/attribute.rs
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@ -5,7 +5,7 @@
use once_cell::sync::Lazy;
use rustc_hash::{FxHashMap, FxHashSet};
use syntax::{ast, AstNode, NodeOrToken, SyntaxKind, T};
use syntax::{algo::non_trivia_sibling, ast, AstNode, Direction, NodeOrToken, SyntaxKind, T};
use crate::{
context::CompletionContext,
@ -37,7 +37,13 @@ pub(crate) fn complete_attribute(acc: &mut Completions, ctx: &CompletionContext)
}
fn complete_new_attribute(acc: &mut Completions, ctx: &CompletionContext, attribute: &ast::Attr) {
let attribute_annotated_item_kind = attribute.syntax().parent().map(|it| it.kind());
let is_inner = attribute.kind() == ast::AttrKind::Inner;
let attribute_annotated_item_kind =
attribute.syntax().parent().map(|it| it.kind()).filter(|_| {
is_inner
// If we got nothing coming after the attribute it could be anything so filter it the kind out
|| non_trivia_sibling(attribute.syntax().clone().into(), Direction::Next).is_some()
});
let attributes = attribute_annotated_item_kind.and_then(|kind| {
if ast::Expr::can_cast(kind) {
Some(EXPR_ATTRIBUTES)
@ -45,7 +51,6 @@ fn complete_new_attribute(acc: &mut Completions, ctx: &CompletionContext, attrib
KIND_TO_ATTRIBUTES.get(&kind).copied()
}
});
let is_inner = attribute.kind() == ast::AttrKind::Inner;
let add_completion = |attr_completion: &AttrCompletion| {
let mut item = CompletionItem::new(
@ -781,4 +786,49 @@ mod tests {
"#]],
);
}
#[test]
fn complete_attribute_in_source_file_end() {
check(
r#"#[$0]"#,
expect![[r#"
at allow(…)
at automatically_derived
at cfg(…)
at cfg_attr(…)
at cold
at deny(…)
at deprecated
at derive(…)
at doc = "…"
at doc(alias = "…")
at doc(hidden)
at export_name = "…"
at forbid(…)
at global_allocator
at ignore = "…"
at inline
at link
at link_name = "…"
at link_section = "…"
at macro_export
at macro_use
at must_use
at no_mangle
at non_exhaustive
at panic_handler
at path = "…"
at proc_macro
at proc_macro_attribute
at proc_macro_derive(…)
at repr(…)
at should_panic
at target_feature = "…"
at test
at track_caller
at used
at warn(…)
"#]],
);
}
}