refactor: reduce nesting

This commit is contained in:
Ryo Yoshida 2023-02-14 17:34:19 +09:00
parent 098d9d77b4
commit 60fa8fefa6
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GPG Key ID: E25698A930586171

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@ -460,7 +460,8 @@ fn scope_files<'a>(
// `name` is stripped of raw ident prefix. See the comment on name retrieval above.
it.text().trim_start_matches("r#") == name
})
.map(|token| {
.into_iter()
.flat_map(|token| {
// FIXME: There should be optimization potential here
// Currently we try to descend everything we find which
// means we call `Semantics::descend_into_macros` on
@ -476,27 +477,21 @@ fn scope_files<'a>(
// Search for occurrences of the items name
for offset in match_indices(&text, finder, search_range) {
if let Some(iter) = find_nodes(name, &tree, offset) {
for name in iter.filter_map(ast::NameLike::cast) {
for name in find_nodes(name, &tree, offset).filter_map(ast::NameLike::cast) {
if match name {
ast::NameLike::NameRef(name_ref) => {
self.found_name_ref(&name_ref, sink)
}
ast::NameLike::NameRef(name_ref) => self.found_name_ref(&name_ref, sink),
ast::NameLike::Name(name) => self.found_name(&name, sink),
ast::NameLike::Lifetime(lifetime) => {
self.found_lifetime(&lifetime, sink)
}
ast::NameLike::Lifetime(lifetime) => self.found_lifetime(&lifetime, sink),
} {
return;
}
}
}
}
// Search for occurrences of the `Self` referring to our type
if let Some((self_ty, finder)) = &include_self_kw_refs {
for offset in match_indices(&text, finder, search_range) {
if let Some(iter) = find_nodes("Self", &tree, offset) {
for name_ref in iter.filter_map(ast::NameRef::cast) {
for name_ref in find_nodes("Self", &tree, offset).filter_map(ast::NameRef::cast)
{
if self.found_self_ty_name_ref(self_ty, &name_ref, sink) {
return;
}
@ -504,7 +499,6 @@ fn scope_files<'a>(
}
}
}
}
// Search for `super` and `crate` resolving to our module
if let Definition::Module(module) = self.def {
@ -518,18 +512,19 @@ fn scope_files<'a>(
let tree = Lazy::new(move || sema.parse(file_id).syntax().clone());
for offset in match_indices(&text, finder, search_range) {
if let Some(iter) = find_nodes("super", &tree, offset) {
for name_ref in iter.filter_map(ast::NameRef::cast) {
for name_ref in
find_nodes("super", &tree, offset).filter_map(ast::NameRef::cast)
{
if self.found_name_ref(&name_ref, sink) {
return;
}
}
}
}
if let Some(finder) = &is_crate_root {
for offset in match_indices(&text, finder, search_range) {
if let Some(iter) = find_nodes("crate", &tree, offset) {
for name_ref in iter.filter_map(ast::NameRef::cast) {
for name_ref in
find_nodes("crate", &tree, offset).filter_map(ast::NameRef::cast)
{
if self.found_name_ref(&name_ref, sink) {
return;
}
@ -538,7 +533,6 @@ fn scope_files<'a>(
}
}
}
}
// search for module `self` references in our module's definition source
match self.def {
@ -571,15 +565,14 @@ fn scope_files<'a>(
let finder = &Finder::new("self");
for offset in match_indices(&text, finder, search_range) {
if let Some(iter) = find_nodes("self", &tree, offset) {
for name_ref in iter.filter_map(ast::NameRef::cast) {
for name_ref in find_nodes("self", &tree, offset).filter_map(ast::NameRef::cast)
{
if self.found_self_module_name_ref(&name_ref, sink) {
return;
}
}
}
}
}
_ => {}
}
}