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https://github.com/rust-lang/rust-analyzer
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Remove Option<...> from result of Crate::root_module
There doesn't seem to be any need for it, and removing it simplies several paths of code that depend on it.
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parent
6cde0b1aa0
commit
bf9b4578bb
8 changed files with 22 additions and 23 deletions
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@ -257,7 +257,7 @@ pub use prelude::*;
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.find(|dep| &dep.name.to_string() == std_crate)?
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.krate;
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let mut module = std_crate.root_module(db)?;
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let mut module = std_crate.root_module(db);
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for segment in path {
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module = module.children(db).find_map(|child| {
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let name = child.name(db)?;
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@ -83,9 +83,9 @@ impl Crate {
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.collect()
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}
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pub fn root_module(self, db: &dyn HirDatabase) -> Option<Module> {
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pub fn root_module(self, db: &dyn HirDatabase) -> Module {
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let module_id = db.crate_def_map(self.id).root;
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Some(Module::new(self, module_id))
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Module::new(self, module_id)
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}
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pub fn root_file(self, db: &dyn HirDatabase) -> FileId {
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@ -40,7 +40,7 @@ pub(crate) fn goto_definition(
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reference_definition(&sema, &name_ref).to_vec()
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},
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ast::Name(name) => {
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let def = classify_name(&sema, &name)?.definition(sema.db)?;
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let def = classify_name(&sema, &name)?.definition(sema.db);
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let nav = def.try_to_nav(sema.db)?;
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vec![nav]
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},
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@ -82,7 +82,8 @@ pub(crate) fn reference_definition(
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name_ref: &ast::NameRef,
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) -> ReferenceResult {
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let name_kind = classify_name_ref(sema, name_ref);
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if let Some(def) = name_kind.and_then(|def| def.definition(sema.db)) {
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if let Some(def) = name_kind {
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let def = def.definition(sema.db);
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return match def.try_to_nav(sema.db) {
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Some(nav) => ReferenceResult::Exact(nav),
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None => ReferenceResult::Approximate(Vec::new()),
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@ -85,8 +85,8 @@ pub(crate) fn hover(db: &RootDatabase, position: FilePosition) -> Option<RangeIn
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let node = token.parent();
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let definition = match_ast! {
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match node {
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ast::NameRef(name_ref) => classify_name_ref(&sema, &name_ref).and_then(|d| d.definition(sema.db)),
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ast::Name(name) => classify_name(&sema, &name).and_then(|d| d.definition(sema.db)),
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ast::NameRef(name_ref) => classify_name_ref(&sema, &name_ref).map(|d| d.definition(sema.db)),
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ast::Name(name) => classify_name(&sema, &name).map(|d| d.definition(sema.db)),
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_ => None,
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}
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};
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@ -130,13 +130,13 @@ fn find_name(
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opt_name: Option<ast::Name>,
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) -> Option<RangeInfo<Definition>> {
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if let Some(name) = opt_name {
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let def = classify_name(sema, &name)?.definition(sema.db)?;
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let def = classify_name(sema, &name)?.definition(sema.db);
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let range = name.syntax().text_range();
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return Some(RangeInfo::new(range, def));
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}
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let name_ref =
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sema.find_node_at_offset_with_descend::<ast::NameRef>(&syntax, position.offset)?;
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let def = classify_name_ref(sema, &name_ref)?.definition(sema.db)?;
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let def = classify_name_ref(sema, &name_ref)?.definition(sema.db);
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let range = name_ref.syntax().text_range();
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Some(RangeInfo::new(range, def))
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}
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@ -93,19 +93,19 @@ pub enum NameClass {
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impl NameClass {
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pub fn into_definition(self, db: &dyn HirDatabase) -> Option<Definition> {
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Some(match self {
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NameClass::ExternCrate(krate) => Definition::ModuleDef(krate.root_module(db)?.into()),
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NameClass::ExternCrate(krate) => Definition::ModuleDef(krate.root_module(db).into()),
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NameClass::Definition(it) => it,
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NameClass::ConstReference(_) => return None,
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NameClass::FieldShorthand { local, field: _ } => Definition::Local(local),
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})
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}
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pub fn definition(self, db: &dyn HirDatabase) -> Option<Definition> {
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Some(match self {
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NameClass::ExternCrate(krate) => Definition::ModuleDef(krate.root_module(db)?.into()),
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pub fn definition(self, db: &dyn HirDatabase) -> Definition {
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match self {
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NameClass::ExternCrate(krate) => Definition::ModuleDef(krate.root_module(db).into()),
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NameClass::Definition(it) | NameClass::ConstReference(it) => it,
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NameClass::FieldShorthand { local: _, field } => field,
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})
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}
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}
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}
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@ -148,7 +148,7 @@ pub fn classify_name(sema: &Semantics<RootDatabase>, name: &ast::Name) -> Option
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})
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.and_then(|name_ref| classify_name_ref(sema, &name_ref))?;
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Some(NameClass::Definition(name_ref_class.definition(sema.db)?))
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Some(NameClass::Definition(name_ref_class.definition(sema.db)))
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} else {
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let extern_crate = it.syntax().parent().and_then(ast::ExternCrate::cast)?;
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let resolved = sema.resolve_extern_crate(&extern_crate)?;
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@ -234,14 +234,12 @@ pub enum NameRefClass {
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}
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impl NameRefClass {
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pub fn definition(self, db: &dyn HirDatabase) -> Option<Definition> {
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Some(match self {
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NameRefClass::ExternCrate(krate) => {
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Definition::ModuleDef(krate.root_module(db)?.into())
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}
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pub fn definition(self, db: &dyn HirDatabase) -> Definition {
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match self {
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NameRefClass::ExternCrate(krate) => Definition::ModuleDef(krate.root_module(db).into()),
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NameRefClass::Definition(def) => def,
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NameRefClass::FieldShorthand { local, field: _ } => Definition::Local(local),
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})
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}
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}
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}
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@ -72,7 +72,7 @@ impl AnalysisStatsCmd {
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shuffle(&mut rng, &mut krates);
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}
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for krate in krates {
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let module = krate.root_module(db).expect("crate without root module");
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let module = krate.root_module(db);
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let file_id = module.definition_source(db).file_id;
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let file_id = file_id.original_file(db);
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let source_root = db.file_source_root(file_id);
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@ -28,7 +28,7 @@ pub fn diagnostics(
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let mut work = Vec::new();
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let krates = Crate::all(db);
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for krate in krates {
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let module = krate.root_module(db).expect("crate without root module");
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let module = krate.root_module(db);
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let file_id = module.definition_source(db).file_id;
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let file_id = file_id.original_file(db);
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let source_root = db.file_source_root(file_id);
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