bendns' repos / rust-analyzer
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/ide/src/hover/render.rs')
-rw-r--r--crates/ide/src/hover/render.rs23
1 files changed, 22 insertions, 1 deletions
diff --git a/crates/ide/src/hover/render.rs b/crates/ide/src/hover/render.rs
index dd4a961d31..c493e3e2fb 100644
--- a/crates/ide/src/hover/render.rs
+++ b/crates/ide/src/hover/render.rs
@@ -2,7 +2,7 @@
use std::fmt::Display;
use either::Either;
-use hir::{AsAssocItem, HasAttrs, HasSource, HirDisplay, Semantics, TypeInfo};
+use hir::{AsAssocItem, AttributeTemplate, HasAttrs, HasSource, HirDisplay, Semantics, TypeInfo};
use ide_db::{
base_db::SourceDatabase,
defs::Definition,
@@ -369,11 +369,32 @@ pub(super) fn definition(
}
Definition::GenericParam(it) => label_and_docs(db, it),
Definition::Label(it) => return Some(Markup::fenced_block(&it.name(db))),
+ // FIXME: We should be able to show more info about these
+ Definition::BuiltinAttr(it) => return render_builtin_attr(db, it),
+ Definition::ToolModule(it) => return Some(Markup::fenced_block(&it.name(db))),
};
markup(docs.filter(|_| config.documentation.is_some()).map(Into::into), label, mod_path)
}
+fn render_builtin_attr(db: &RootDatabase, attr: hir::BuiltinAttr) -> Option<Markup> {
+ let name = attr.name(db);
+ let desc = format!("#[{}]", name);
+
+ let AttributeTemplate { word, list, name_value_str } = attr.template(db);
+ let mut docs = "Valid forms are:".to_owned();
+ if word {
+ format_to!(docs, "\n - #\\[{}]", name);
+ }
+ if let Some(list) = list {
+ format_to!(docs, "\n - #\\[{}({})]", name, list);
+ }
+ if let Some(name_value_str) = name_value_str {
+ format_to!(docs, "\n - #\\[{} = {}]", name, name_value_str);
+ }
+ markup(Some(docs.replace('*', "\\*")), desc, None)
+}
+
fn label_and_docs<D>(db: &RootDatabase, def: D) -> (String, Option<hir::Documentation>)
where
D: HasAttrs + HirDisplay,