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Add an explanatory message when we use the Query fallback

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This commit is contained in:
DJMcNab 2019-01-13 10:31:37 +00:00
parent a2659abed8
commit a53c5de1fd
2 changed files with 36 additions and 10 deletions
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15
crates/ra_ide_api/src/hover.rs
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@ -16,9 +16,16 @@ pub(crate) fn hover(
let mut range = None;
if let Some(name_ref) = find_node_at_offset::<ast::NameRef>(file.syntax(), position.offset) {
let navs = crate::goto_definition::reference_definition(db, position.file_id, name_ref)?;
for nav in navs {
res.extend(doc_text_for(db, nav)?)
use crate::goto_definition::{ReferenceResult::*, reference_definition};
let ref_result = reference_definition(db, position.file_id, name_ref)?;
match ref_result {
Exact(nav) => res.extend(doc_text_for(db, nav)?),
Approximate(navs) => {
res.push("Failed to exactly resolve the symbol. This is probably because rust_analyzer does not yet support glob imports or traits. \nThese methods were found instead:".to_string());
for nav in navs {
res.extend(doc_text_for(db, nav)?)
}
}
}
if !res.is_empty() {
range = Some(name_ref.syntax().range())
@ -34,7 +41,7 @@ pub(crate) fn hover(
file_id: position.file_id,
range: node.range(),
};
res.extend(type_of(db, frange)?);
res.extend(type_of(db, frange)?.map(Into::into));
range = Some(node.range());
};