1 //! Renderer for `const` fields.
3 use hir::{AsAssocItem, HasSource};
4 use ide_db::SymbolKind;
10 use crate::{item::CompletionItem, render::RenderContext};
12 pub(crate) fn render_const(ctx: RenderContext<'_>, const_: hir::Const) -> Option<CompletionItem> {
13 ConstRender::new(ctx, const_)?.render()
17 struct ConstRender<'a> {
18 ctx: RenderContext<'a>,
23 impl<'a> ConstRender<'a> {
24 fn new(ctx: RenderContext<'a>, const_: hir::Const) -> Option<ConstRender<'a>> {
25 let ast_node = const_.source(ctx.db())?.value;
26 Some(ConstRender { ctx, const_, ast_node })
29 fn render(self) -> Option<CompletionItem> {
30 let name = self.name()?;
31 let detail = self.detail();
34 CompletionItem::new(SymbolKind::Const, self.ctx.source_range(), name.clone());
35 item.set_documentation(self.ctx.docs(self.const_))
37 self.ctx.is_deprecated(self.const_)
38 || self.ctx.is_deprecated_assoc_item(self.const_),
42 let db = self.ctx.db();
43 if let Some(actm) = self.const_.as_assoc_item(db) {
44 if let Some(trt) = actm.containing_trait_or_trait_impl(db) {
45 item.trait_name(trt.name(db).to_string());
46 item.insert_text(name);
53 fn name(&self) -> Option<String> {
54 self.ast_node.name().map(|name| name.text().to_string())
57 fn detail(&self) -> String {
58 const_label(&self.ast_node)