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show local variable types in completion

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This commit is contained in:
Ekaterina Babshukova 2019-07-23 19:24:54 +03:00
parent 5f3ff157e3
commit 8e49bb664a
6 changed files with 30 additions and 9 deletions
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18
crates/ra_ide_api/src/completion/presentation.rs
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@ -1,5 +1,5 @@
//! This modules takes care of rendering various defenitions as completion items.
use hir::{Docs, HasSource, HirDisplay, PerNs, Resolution};
use hir::{Docs, HasSource, HirDisplay, PerNs, Resolution, Ty};
use join_to_string::join;
use ra_syntax::ast::NameOwner;
use test_utils::tested_by;
@ -80,10 +80,18 @@ impl Completions {
None,
),
};
CompletionItem::new(completion_kind, ctx.source_range(), local_name)
.kind(kind)
.set_documentation(docs)
.add_to(self)
let mut completion_item =
CompletionItem::new(completion_kind, ctx.source_range(), local_name);
if let Resolution::LocalBinding(pat_id) = def {
let ty = ctx
.analyzer
.type_of_pat_by_id(ctx.db, pat_id.clone())
.filter(|t| t != &Ty::Unknown)
.map(|t| t.display(ctx.db).to_string());
completion_item = completion_item.set_detail(ty);
};
completion_item.kind(kind).set_documentation(docs).add_to(self)
}
pub(crate) fn add_function(&mut self, ctx: &CompletionContext, func: hir::Function) {