1 //! Renderer for `const` fields.
3 use hir::{AsAssocItem, HasSource};
4 use ide_db::SymbolKind;
5 use syntax::{ast::Const, display::const_label};
7 use crate::{item::CompletionItem, render::RenderContext};
9 pub(crate) fn render_const(ctx: RenderContext<'_>, const_: hir::Const) -> Option<CompletionItem> {
10 ConstRender::new(ctx, const_)?.render()
14 struct ConstRender<'a> {
15 ctx: RenderContext<'a>,
20 impl<'a> ConstRender<'a> {
21 fn new(ctx: RenderContext<'a>, const_: hir::Const) -> Option<ConstRender<'a>> {
22 let ast_node = const_.source(ctx.db())?.value;
23 Some(ConstRender { ctx, const_, ast_node })
26 fn render(self) -> Option<CompletionItem> {
27 let name = self.const_.name(self.ctx.db())?.to_smol_str();
28 let detail = self.detail();
31 CompletionItem::new(SymbolKind::Const, self.ctx.source_range(), name.clone());
32 item.set_documentation(self.ctx.docs(self.const_))
34 self.ctx.is_deprecated(self.const_)
35 || self.ctx.is_deprecated_assoc_item(self.const_),
39 let db = self.ctx.db();
40 if let Some(actm) = self.const_.as_assoc_item(db) {
41 if let Some(trt) = actm.containing_trait_or_trait_impl(db) {
42 item.trait_name(trt.name(db).to_smol_str());
43 item.insert_text(name);
50 fn detail(&self) -> String {
51 const_label(&self.ast_node)