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reduce duplication in hover

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This commit is contained in:
Aleksey Kladov 2019-06-11 17:22:14 +03:00
parent 46bc8675ed
commit 647c8f3df8
1 changed files with 24 additions and 56 deletions
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80
crates/ra_ide_api/src/hover.rs
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@ -1,6 +1,7 @@
use ra_db::SourceDatabase;
use ra_syntax::{
AstNode, ast::{self, DocCommentsOwner},
AstNode, TreeArc,
ast::{self, DocCommentsOwner},
algo::{find_covering_element, find_node_at_offset, ancestors_at_offset, visit::{visitor, Visitor}},
};
use hir::HirDisplay;
@ -95,10 +96,7 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
let analyzer = hir::SourceAnalyzer::new(db, position.file_id, name_ref.syntax(), None);
match classify_name_ref(db, &analyzer, name_ref) {
Some(Method(it)) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()));
}
Some(Method(it)) => res.extend(from_def_source(db, it)),
Some(Macro(it)) => {
let it = it.source(db).1;
res.extend(hover_text(it.doc_comment_text(), None));
@ -110,14 +108,8 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
}
}
Some(AssocItem(it)) => match it {
hir::ImplItem::Method(it) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()))
}
hir::ImplItem::Const(it) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()))
}
hir::ImplItem::Method(it) => res.extend(from_def_source(db, it)),
hir::ImplItem::Const(it) => res.extend(from_def_source(db, it)),
hir::ImplItem::TypeAlias(it) => {
let it = it.source(db).1;
res.extend(hover_text(it.doc_comment_text(), it.short_label()))
@ -131,34 +123,16 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
res.extend(hover_text(it.doc_comment_text(), it.short_label()))
}
}
hir::ModuleDef::Function(it) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()))
}
hir::ModuleDef::Struct(it) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()))
}
hir::ModuleDef::Union(it) => {
let it = it.source(db).1;
res.extend(hover_text(it.doc_comment_text(), it.short_label()))
}
hir::ModuleDef::Enum(it) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()))
}
hir::ModuleDef::Function(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Struct(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Union(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::Enum(it) => res.extend(from_def_source(db, it)),
hir::ModuleDef::EnumVariant(it) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()))
}
hir::ModuleDef::Const(it) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()))
}
hir::ModuleDef::Static(it) => {
let src = it.source(db);
res.extend(hover_text(src.ast.doc_comment_text(), src.ast.short_label()))
}
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) => {
let it = it.source(db).1;
res.extend(hover_text(it.doc_comment_text(), it.short_label()))
@ -175,24 +149,9 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
Some(SelfType(ty)) => {
if let Some((adt_def, _)) = ty.as_adt() {
match adt_def {
hir::AdtDef::Struct(it) => {
let src = it.source(db);
res.extend(hover_text(
src.ast.doc_comment_text(),
src.ast.short_label(),
))
}
hir::AdtDef::Union(it) => {
let it = it.source(db).1;
res.extend(hover_text(it.doc_comment_text(), it.short_label()))
}
hir::AdtDef::Enum(it) => {
let src = it.source(db);
res.extend(hover_text(
src.ast.doc_comment_text(),
src.ast.short_label(),
))
}
hir::AdtDef::Struct(it) => res.extend(from_def_source(db, it)),
hir::AdtDef::Union(it) => res.extend(from_def_source(db, it)),
hir::AdtDef::Enum(it) => res.extend(from_def_source(db, it)),
}
}
}
@ -276,7 +235,16 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
return None;
}
let res = RangeInfo::new(range, res);
Some(res)
return Some(res);
fn from_def_source<A, D>(db: &RootDatabase, def: D) -> Option<String>
where
D: hir::HasSource<Ast = TreeArc<A>>,
A: ast::DocCommentsOwner + ast::NameOwner + ShortLabel,
{
let src = def.source(db);
hover_text(src.ast.doc_comment_text(), src.ast.short_label())
}
}
pub(crate) fn type_of(db: &RootDatabase, frange: FileRange) -> Option<String> {