Don't store deriveable Module info in NameDefinition

This commit is contained in:
Aleksey Kladov 2020-02-19 14:32:22 +01:00
parent 624a9978e2
commit 86b66067f6
4 changed files with 84 additions and 60 deletions

View File

@ -30,6 +30,7 @@ use ra_syntax::{
ast::{self, AttrsOwner},
AstNode,
};
use rustc_hash::FxHashSet;
use crate::{
db::{DefDatabase, HirDatabase},
@ -123,10 +124,25 @@ impl_froms!(
BuiltinType
);
impl ModuleDef {
pub fn module(self, db: &impl HirDatabase) -> Option<Module> {
match self {
ModuleDef::Module(it) => it.parent(db),
ModuleDef::Function(it) => Some(it.module(db)),
ModuleDef::Adt(it) => Some(it.module(db)),
ModuleDef::EnumVariant(it) => Some(it.module(db)),
ModuleDef::Const(it) => Some(it.module(db)),
ModuleDef::Static(it) => Some(it.module(db)),
ModuleDef::Trait(it) => Some(it.module(db)),
ModuleDef::TypeAlias(it) => Some(it.module(db)),
ModuleDef::BuiltinType(_) => None,
}
}
}
pub use hir_def::{
attr::Attrs, item_scope::ItemInNs, visibility::Visibility, AssocItemId, AssocItemLoc,
};
use rustc_hash::FxHashSet;
impl Module {
pub(crate) fn new(krate: Crate, crate_module_id: LocalModuleId) -> Module {
@ -649,6 +665,17 @@ pub struct MacroDef {
pub(crate) id: MacroDefId,
}
impl MacroDef {
/// FIXME: right now, this just returns the root module of the crate that
/// defines this macro. The reasons for this is that macros are expanded
/// early, in `ra_hir_expand`, where modules simply do not exist yet.
pub fn module(self, db: &impl HirDatabase) -> Option<Module> {
let krate = self.id.krate?;
let module_id = db.crate_def_map(krate).root;
Some(Module::new(Crate { id: krate }, module_id))
}
}
/// Invariant: `inner.as_assoc_item(db).is_some()`
/// We do not actively enforce this invariant.
#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]

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@ -22,7 +22,7 @@ pub(crate) fn classify_name_ref(
if let Some(method_call) = ast::MethodCallExpr::cast(parent.clone()) {
tested_by!(goto_def_for_methods);
if let Some(func) = analyzer.resolve_method_call(&method_call) {
return Some(from_module_def(sb.db, func.into(), None));
return Some(from_module_def(sb.db, func.into()));
}
}
@ -43,7 +43,6 @@ pub(crate) fn classify_name_ref(
// FIXME: find correct container and visibility for each case
let visibility = None;
let container = sb.to_module_def(name_ref.file_id.original_file(sb.db))?;
if let Some(macro_call) = parent.ancestors().find_map(ast::MacroCall::cast) {
tested_by!(goto_def_for_macros);
@ -51,40 +50,37 @@ pub(crate) fn classify_name_ref(
analyzer.resolve_macro_call(sb.db, name_ref.with_value(&macro_call))
{
let kind = NameKind::Macro(macro_def);
return Some(NameDefinition { kind, container, visibility });
return Some(NameDefinition { kind, visibility });
}
}
let path = name_ref.value.syntax().ancestors().find_map(ast::Path::cast)?;
let resolved = analyzer.resolve_path(sb.db, &path)?;
let res = match resolved {
PathResolution::Def(def) => from_module_def(sb.db, def, Some(container)),
PathResolution::Def(def) => from_module_def(sb.db, def),
PathResolution::AssocItem(item) => {
let def = match item {
hir::AssocItem::Function(it) => it.into(),
hir::AssocItem::Const(it) => it.into(),
hir::AssocItem::TypeAlias(it) => it.into(),
};
from_module_def(sb.db, def, Some(container))
from_module_def(sb.db, def)
}
PathResolution::Local(local) => {
let kind = NameKind::Local(local);
let container = local.module(sb.db);
NameDefinition { kind, container, visibility: None }
NameDefinition { kind, visibility: None }
}
PathResolution::TypeParam(par) => {
let kind = NameKind::TypeParam(par);
let container = par.module(sb.db);
NameDefinition { kind, container, visibility }
NameDefinition { kind, visibility }
}
PathResolution::Macro(def) => {
let kind = NameKind::Macro(def);
NameDefinition { kind, container, visibility }
NameDefinition { kind, visibility }
}
PathResolution::SelfType(impl_block) => {
let kind = NameKind::SelfType(impl_block);
let container = impl_block.module(sb.db);
NameDefinition { kind, container, visibility }
NameDefinition { kind, visibility }
}
};
Some(res)

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@ -19,10 +19,17 @@ pub struct SearchScope {
}
impl SearchScope {
fn empty() -> SearchScope {
SearchScope { entries: FxHashMap::default() }
}
pub(crate) fn for_def(def: &NameDefinition, db: &RootDatabase) -> SearchScope {
let _p = profile("search_scope");
let module_src = def.container.definition_source(db);
let module = match def.module(db) {
Some(it) => it,
None => return SearchScope::empty(),
};
let module_src = module.definition_source(db);
let file_id = module_src.file_id.original_file(db);
if let NameKind::Local(var) = def.kind {
@ -39,7 +46,7 @@ impl SearchScope {
let vis = def.visibility.as_ref().map(|v| v.syntax().to_string()).unwrap_or_default();
if vis.as_str() == "pub(super)" {
if let Some(parent_module) = def.container.parent(db) {
if let Some(parent_module) = module.parent(db) {
let mut res = FxHashMap::default();
let parent_src = parent_module.definition_source(db);
let file_id = parent_src.file_id.original_file(db);
@ -72,7 +79,7 @@ impl SearchScope {
return SearchScope::new(res);
}
if vis.as_str() == "pub" {
let krate = def.container.krate();
let krate = module.krate();
for rev_dep in krate.reverse_dependencies(db) {
let root_file = rev_dep.root_file(db);
let source_root_id = db.file_source_root(root_file);

View File

@ -32,10 +32,22 @@ pub struct NameDefinition {
pub visibility: Option<ast::Visibility>,
/// FIXME: this doesn't really make sense. For example, builtin types don't
/// really have a module.
pub container: Module,
pub kind: NameKind,
}
impl NameDefinition {
pub fn module(&self, db: &RootDatabase) -> Option<Module> {
match self.kind {
NameKind::Macro(it) => it.module(db),
NameKind::StructField(it) => Some(it.parent_def(db).module(db)),
NameKind::ModuleDef(it) => it.module(db),
NameKind::SelfType(it) => Some(it.module(db)),
NameKind::Local(it) => Some(it.module(db)),
NameKind::TypeParam(it) => Some(it.module(db)),
}
}
}
pub fn classify_name(
sb: &mut SourceBinder<RootDatabase>,
name: InFile<&ast::Name>,
@ -50,7 +62,6 @@ pub fn classify_name(
let local = sb.to_def(src)?;
Some(NameDefinition {
visibility: None,
container: local.module(sb.db),
kind: NameKind::Local(local),
})
},
@ -61,57 +72,54 @@ pub fn classify_name(
},
ast::Module(it) => {
let def = sb.to_def(name.with_value(it))?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::StructDef(it) => {
let src = name.with_value(it);
let def: hir::Struct = sb.to_def(src)?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::EnumDef(it) => {
let src = name.with_value(it);
let def: hir::Enum = sb.to_def(src)?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::TraitDef(it) => {
let src = name.with_value(it);
let def: hir::Trait = sb.to_def(src)?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::StaticDef(it) => {
let src = name.with_value(it);
let def: hir::Static = sb.to_def(src)?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::EnumVariant(it) => {
let src = name.with_value(it);
let def: hir::EnumVariant = sb.to_def(src)?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::FnDef(it) => {
let src = name.with_value(it);
let def: hir::Function = sb.to_def(src)?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::ConstDef(it) => {
let src = name.with_value(it);
let def: hir::Const = sb.to_def(src)?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::TypeAliasDef(it) => {
let src = name.with_value(it);
let def: hir::TypeAlias = sb.to_def(src)?;
Some(from_module_def(sb.db, def.into(), None))
Some(from_module_def(sb.db, def.into()))
},
ast::MacroCall(it) => {
let src = name.with_value(it);
let def = sb.to_def(src.clone())?;
let module = sb.to_module_def(src.file_id.original_file(sb.db))?;
Some(NameDefinition {
visibility: None,
container: module,
kind: NameKind::Macro(def),
})
},
@ -120,7 +128,6 @@ pub fn classify_name(
let def = sb.to_def(src)?;
Some(NameDefinition {
visibility: None,
container: def.module(sb.db),
kind: NameKind::TypeParam(def),
})
},
@ -132,41 +139,28 @@ pub fn classify_name(
pub fn from_struct_field(db: &RootDatabase, field: StructField) -> NameDefinition {
let kind = NameKind::StructField(field);
let parent = field.parent_def(db);
let container = parent.module(db);
let visibility = match parent {
VariantDef::Struct(s) => s.source(db).value.visibility(),
VariantDef::Union(e) => e.source(db).value.visibility(),
VariantDef::EnumVariant(e) => e.source(db).value.parent_enum().visibility(),
};
NameDefinition { kind, container, visibility }
NameDefinition { kind, visibility }
}
pub fn from_module_def(
db: &RootDatabase,
def: ModuleDef,
module: Option<Module>,
) -> NameDefinition {
pub fn from_module_def(db: &RootDatabase, def: ModuleDef) -> NameDefinition {
let kind = NameKind::ModuleDef(def);
let (container, visibility) = match def {
ModuleDef::Module(it) => {
let container = it.parent(db).or_else(|| Some(it)).unwrap();
let visibility = it.declaration_source(db).and_then(|s| s.value.visibility());
(container, visibility)
}
ModuleDef::EnumVariant(it) => {
let container = it.module(db);
let visibility = it.source(db).value.parent_enum().visibility();
(container, visibility)
}
ModuleDef::Function(it) => (it.module(db), it.source(db).value.visibility()),
ModuleDef::Const(it) => (it.module(db), it.source(db).value.visibility()),
ModuleDef::Static(it) => (it.module(db), it.source(db).value.visibility()),
ModuleDef::Trait(it) => (it.module(db), it.source(db).value.visibility()),
ModuleDef::TypeAlias(it) => (it.module(db), it.source(db).value.visibility()),
ModuleDef::Adt(Adt::Struct(it)) => (it.module(db), it.source(db).value.visibility()),
ModuleDef::Adt(Adt::Union(it)) => (it.module(db), it.source(db).value.visibility()),
ModuleDef::Adt(Adt::Enum(it)) => (it.module(db), it.source(db).value.visibility()),
ModuleDef::BuiltinType(..) => (module.unwrap(), None),
let visibility = match def {
ModuleDef::Module(it) => it.declaration_source(db).and_then(|s| s.value.visibility()),
ModuleDef::EnumVariant(it) => it.source(db).value.parent_enum().visibility(),
ModuleDef::Function(it) => it.source(db).value.visibility(),
ModuleDef::Const(it) => it.source(db).value.visibility(),
ModuleDef::Static(it) => it.source(db).value.visibility(),
ModuleDef::Trait(it) => it.source(db).value.visibility(),
ModuleDef::TypeAlias(it) => it.source(db).value.visibility(),
ModuleDef::Adt(Adt::Struct(it)) => it.source(db).value.visibility(),
ModuleDef::Adt(Adt::Union(it)) => it.source(db).value.visibility(),
ModuleDef::Adt(Adt::Enum(it)) => it.source(db).value.visibility(),
ModuleDef::BuiltinType(..) => None,
};
NameDefinition { kind, container, visibility }
NameDefinition { kind, visibility }
}