1 //! Renderer for `const` fields.
3 use hir::{AsAssocItem, HasSource};
4 use ide_db::SymbolKind;
6 ast::{Const, NameOwner},
11 item::{CompletionItem, CompletionKind},
12 render::RenderContext,
15 pub(crate) fn render_const(ctx: RenderContext<'_>, const_: hir::Const) -> Option<CompletionItem> {
16 ConstRender::new(ctx, const_)?.render()
20 struct ConstRender<'a> {
21 ctx: RenderContext<'a>,
26 impl<'a> ConstRender<'a> {
27 fn new(ctx: RenderContext<'a>, const_: hir::Const) -> Option<ConstRender<'a>> {
28 let ast_node = const_.source(ctx.db())?.value;
29 Some(ConstRender { ctx, const_, ast_node })
32 fn render(self) -> Option<CompletionItem> {
33 let name = self.name()?;
34 let detail = self.detail();
37 CompletionItem::new(CompletionKind::Reference, self.ctx.source_range(), name.clone());
38 item.kind(SymbolKind::Const)
39 .set_documentation(self.ctx.docs(self.const_))
41 self.ctx.is_deprecated(self.const_)
42 || self.ctx.is_deprecated_assoc_item(self.const_),
46 let db = self.ctx.db();
47 if let Some(actm) = self.const_.as_assoc_item(db) {
48 if let Some(trt) = actm.containing_trait_or_trait_impl(db) {
49 item.trait_name(trt.name(db).to_string());
50 item.insert_text(name);
57 fn name(&self) -> Option<String> {
58 self.ast_node.name().map(|name| name.text().to_string())
61 fn detail(&self) -> String {
62 const_label(&self.ast_node)