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Hover for builtins

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This commit is contained in:
Jeremy Kolb 2019-11-10 13:59:39 -05:00
parent 9d786ea221
commit 3188c1451a
1 changed files with 32 additions and 20 deletions
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52
crates/ra_ide_api/src/hover.rs
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@ -1,6 +1,6 @@
//! FIXME: write short doc here
use hir::{Adt, HasSource, HirDisplay};
use hir::{Adt, BuiltinType, HasSource, HirDisplay};
use ra_db::SourceDatabase;
use ra_syntax::{
algo::{ancestors_at_offset, find_covering_element, find_node_at_offset},
@ -117,27 +117,27 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
hir::AssocItem::Const(it) => from_def_source(db, it),
hir::AssocItem::TypeAlias(it) => from_def_source(db, it),
}),
Some(Def(it)) => {
match it {
hir::ModuleDef::Module(it) => {
if let hir::ModuleSource::Module(it) = it.definition_source(db).ast {
res.extend(hover_text(it.doc_comment_text(), it.short_label()))
}
}
hir::ModuleDef::Function(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Adt(Adt::Struct(it)) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Adt(Adt::Union(it)) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Adt(Adt::Enum(it)) => res.extend(from_def_source(db, it)),
hir::ModuleDef::EnumVariant(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Const(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Static(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Trait(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::TypeAlias(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::BuiltinType(_) => {
// FIXME: hover for builtin Type ?
Some(Def(it)) => match it {
hir::ModuleDef::Module(it) => {
if let hir::ModuleSource::Module(it) = it.definition_source(db).ast {
res.extend(hover_text(it.doc_comment_text(), it.short_label()))
}
}
}
hir::ModuleDef::Function(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Adt(Adt::Struct(it)) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Adt(Adt::Union(it)) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Adt(Adt::Enum(it)) => res.extend(from_def_source(db, it)),
hir::ModuleDef::EnumVariant(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Const(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Static(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Trait(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::TypeAlias(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::BuiltinType(it) => {
if let Some(b) = BuiltinType::ALL.iter().find(|(_, ty)| *ty == it) {
res.extend(Some(b.0.to_string()))
}
}
},
Some(SelfType(ty)) => {
if let Some((adt_def, _)) = ty.as_adt() {
res.extend(match adt_def {
@ -722,4 +722,16 @@ fn func(foo: i32) { if true { <|>foo; }; }
assert_eq!(trim_markup_opt(hover.info.first()), Some("macro_rules! foo"));
assert_eq!(hover.info.is_exact(), true);
}
#[test]
fn test_hover_tuple_field() {
let (analysis, position) = single_file_with_position(
"
struct TS(String, i32<|>);
",
);
let hover = analysis.hover(position).unwrap().unwrap();
assert_eq!(trim_markup_opt(hover.info.first()), Some("i32"));
assert_eq!(hover.info.is_exact(), true);
}
}