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Add ExternCrateDecl to HIR

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This commit is contained in:
Lukas Wirth 2023-08-02 11:52:55 +02:00
parent 151c750dac
commit bcff166b3a
39 changed files with 585 additions and 167 deletions
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18
crates/ide-db/src/rename.rs
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@ -82,8 +82,9 @@ impl Definition {
}
/// Textual range of the identifier which will change when renaming this
/// `Definition`. Note that some definitions, like builtin types, can't be
/// renamed.
/// `Definition`. Note that builtin types can't be
/// renamed and extern crate names will report its range, though a rename will introduce
/// an alias instead.
pub fn range_for_rename(self, sema: &Semantics<'_, RootDatabase>) -> Option<FileRange> {
let res = match self {
Definition::Macro(mac) => {
@ -146,6 +147,16 @@ impl Definition {
let lifetime = src.value.lifetime()?;
src.with_value(lifetime.syntax()).original_file_range_opt(sema.db)
}
Definition::ExternCrateDecl(it) => {
let src = it.source(sema.db)?;
if let Some(rename) = src.value.rename() {
let name = rename.name()?;
src.with_value(name.syntax()).original_file_range_opt(sema.db)
} else {
let name = src.value.name_ref()?;
src.with_value(name.syntax()).original_file_range_opt(sema.db)
}
}
Definition::BuiltinType(_) => return None,
Definition::SelfType(_) => return None,
Definition::BuiltinAttr(_) => return None,
@ -526,6 +537,9 @@ fn source_edit_from_def(
TextRange::new(range.start() + syntax::TextSize::from(1), range.end()),
new_name.strip_prefix('\'').unwrap_or(new_name).to_owned(),
),
Definition::ExternCrateDecl(decl) if decl.alias(sema.db).is_none() => {
(TextRange::empty(range.end()), format!(" as {new_name}"))
}
_ => (range, new_name.to_owned()),
};
edit.replace(range, new_name);