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Fix edge case for ImportGranularity guessing

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This commit is contained in:
Lukas Wirth 2021-06-08 22:14:30 +02:00
parent 590472607c
commit 31aad2528f
3 changed files with 30 additions and 8 deletions
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18
crates/ide_db/src/helpers/insert_use.rs
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@ -120,15 +120,19 @@ impl ImportScope {
if eq_visibility(prev_vis, curr_vis.clone()) && eq_attrs(prev_attrs, curr_attrs.clone())
{
if let Some((prev_path, curr_path)) = prev.path().zip(curr.path()) {
if let Some(_) = common_prefix(&prev_path, &curr_path) {
if let Some((prev_prefix, _)) = common_prefix(&prev_path, &curr_path) {
if prev.use_tree_list().is_none() && curr.use_tree_list().is_none() {
// Same prefix but no use tree lists so this has to be of item style.
break ImportGranularityGuess::Item; // this overwrites CrateOrModule, technically the file doesn't adhere to anything here.
} else {
// Same prefix with item tree lists, has to be module style as it
// can't be crate style since the trees wouldn't share a prefix then.
break ImportGranularityGuess::Module;
let prefix_c = prev_prefix.qualifiers().count();
let curr_c = curr_path.qualifiers().count() - prefix_c;
let prev_c = prev_path.qualifiers().count() - prefix_c;
if curr_c <= 1 || prev_c <= 1 {
// Same prefix but no use tree lists so this has to be of item style.
break ImportGranularityGuess::Item; // this overwrites CrateOrModule, technically the file doesn't adhere to anything here.
}
}
// Same prefix with item tree lists, has to be module style as it
// can't be crate style since the trees wouldn't share a prefix then.
break ImportGranularityGuess::Module;
}
}
}