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Merge #11065
11065: internal: Don't kick off inference in `Semantics::descend_into_macros_impl` r=Veykril a=Veykril We do not need inference info here so there is no point in calculating it bors r+ Co-authored-by: Lukas Wirth <[email protected]>
bors[bot] 2021-12-20
parent 48d6cef · parent a574434 · commit 14ff3d7
-rw-r--r--crates/hir/src/semantics.rs36
-rw-r--r--crates/hir/src/semantics/source_to_def.rs21
-rw-r--r--crates/hir/src/source_analyzer.rs26
-rw-r--r--crates/ide_db/src/defs.rs192
4 files changed, 148 insertions, 127 deletions
diff --git a/crates/hir/src/semantics.rs b/crates/hir/src/semantics.rs
index d27869450e..a299aa4498 100644
--- a/crates/hir/src/semantics.rs
+++ b/crates/hir/src/semantics.rs
@@ -528,7 +528,7 @@ impl<'db> SemanticsImpl<'db> {
if first == last {
self.descend_into_macros_impl(
first,
- |InFile { value, .. }| {
+ &mut |InFile { value, .. }| {
if let Some(node) = value.ancestors().find_map(N::cast) {
res.push(node)
}
@@ -540,7 +540,7 @@ impl<'db> SemanticsImpl<'db> {
let mut scratch: SmallVec<[_; 1]> = smallvec![];
self.descend_into_macros_impl(
first,
- |token| {
+ &mut |token| {
scratch.push(token);
},
false,
@@ -549,7 +549,7 @@ impl<'db> SemanticsImpl<'db> {
let mut scratch = scratch.into_iter();
self.descend_into_macros_impl(
last,
- |InFile { value: last, file_id: last_fid }| {
+ &mut |InFile { value: last, file_id: last_fid }| {
if let Some(InFile { value: first, file_id: first_fid }) = scratch.next() {
if first_fid == last_fid {
if let Some(p) = first.parent() {
@@ -574,20 +574,20 @@ impl<'db> SemanticsImpl<'db> {
fn descend_into_macros(&self, token: SyntaxToken) -> SmallVec<[SyntaxToken; 1]> {
let mut res = smallvec![];
- self.descend_into_macros_impl(token, |InFile { value, .. }| res.push(value), false);
+ self.descend_into_macros_impl(token, &mut |InFile { value, .. }| res.push(value), false);
res
}
fn descend_into_macros_single(&self, token: SyntaxToken) -> SyntaxToken {
let mut res = token.clone();
- self.descend_into_macros_impl(token, |InFile { value, .. }| res = value, true);
+ self.descend_into_macros_impl(token, &mut |InFile { value, .. }| res = value, true);
res
}
fn descend_into_macros_impl(
&self,
token: SyntaxToken,
- mut f: impl FnMut(InFile<SyntaxToken>),
+ f: &mut dyn FnMut(InFile<SyntaxToken>),
single: bool,
) {
let _p = profile::span("descend_into_macros");
@@ -595,7 +595,7 @@ impl<'db> SemanticsImpl<'db> {
Some(it) => it,
None => return,
};
- let sa = self.analyze(&parent);
+ let sa = self.analyze_no_infer(&parent);
let mut stack: SmallVec<[_; 4]> = smallvec![InFile::new(sa.file_id, token)];
let mut cache = self.expansion_info_cache.borrow_mut();
let mut mcache = self.macro_call_cache.borrow_mut();
@@ -927,14 +927,23 @@ impl<'db> SemanticsImpl<'db> {
}
fn analyze(&self, node: &SyntaxNode) -> SourceAnalyzer {
- self.analyze_impl(node, None)
+ self.analyze_impl(node, None, true)
}
fn analyze_with_offset(&self, node: &SyntaxNode, offset: TextSize) -> SourceAnalyzer {
- self.analyze_impl(node, Some(offset))
+ self.analyze_impl(node, Some(offset), true)
}
- fn analyze_impl(&self, node: &SyntaxNode, offset: Option<TextSize>) -> SourceAnalyzer {
+ fn analyze_no_infer(&self, node: &SyntaxNode) -> SourceAnalyzer {
+ self.analyze_impl(node, None, false)
+ }
+
+ fn analyze_impl(
+ &self,
+ node: &SyntaxNode,
+ offset: Option<TextSize>,
+ infer_body: bool,
+ ) -> SourceAnalyzer {
let _p = profile::span("Semantics::analyze_impl");
let node = self.find_file(node.clone());
let node = node.as_ref();
@@ -946,7 +955,11 @@ impl<'db> SemanticsImpl<'db> {
let resolver = match container {
ChildContainer::DefWithBodyId(def) => {
- return SourceAnalyzer::new_for_body(self.db, def, node, offset)
+ return if infer_body {
+ SourceAnalyzer::new_for_body(self.db, def, node, offset)
+ } else {
+ SourceAnalyzer::new_for_body_no_infer(self.db, def, node, offset)
+ }
}
ChildContainer::TraitId(it) => it.resolver(self.db.upcast()),
ChildContainer::ImplId(it) => it.resolver(self.db.upcast()),
@@ -1117,6 +1130,7 @@ to_def_impls![
(crate::TypeParam, ast::TypeParam, type_param_to_def),
(crate::LifetimeParam, ast::LifetimeParam, lifetime_param_to_def),
(crate::ConstParam, ast::ConstParam, const_param_to_def),
+ (crate::GenericParam, ast::GenericParam, generic_param_to_def),
(crate::MacroDef, ast::Macro, macro_to_def),
(crate::Local, ast::IdentPat, bind_pat_to_def),
(crate::Local, ast::SelfParam, self_param_to_def),
diff --git a/crates/hir/src/semantics/source_to_def.rs b/crates/hir/src/semantics/source_to_def.rs
index 877d385fbd..9b8e563592 100644
--- a/crates/hir/src/semantics/source_to_def.rs
+++ b/crates/hir/src/semantics/source_to_def.rs
@@ -92,8 +92,8 @@ use hir_def::{
expr::{LabelId, PatId},
keys::{self, Key},
AdtId, ConstId, ConstParamId, DefWithBodyId, EnumId, EnumVariantId, FieldId, FunctionId,
- GenericDefId, ImplId, LifetimeParamId, ModuleId, StaticId, StructId, TraitId, TypeAliasId,
- TypeParamId, UnionId, VariantId,
+ GenericDefId, GenericParamId, ImplId, LifetimeParamId, ModuleId, StaticId, StructId, TraitId,
+ TypeAliasId, TypeParamId, UnionId, VariantId,
};
use hir_expand::{name::AsName, AstId, HirFileId, MacroCallId, MacroDefId, MacroDefKind};
use rustc_hash::FxHashMap;
@@ -299,6 +299,23 @@ impl SourceToDefCtx<'_, '_> {
dyn_map[keys::CONST_PARAM].get(&src).copied()
}
+ pub(super) fn generic_param_to_def(
+ &mut self,
+ InFile { file_id, value }: InFile<ast::GenericParam>,
+ ) -> Option<GenericParamId> {
+ match value {
+ ast::GenericParam::ConstParam(it) => {
+ self.const_param_to_def(InFile::new(file_id, it)).map(GenericParamId::ConstParamId)
+ }
+ ast::GenericParam::LifetimeParam(it) => self
+ .lifetime_param_to_def(InFile::new(file_id, it))
+ .map(GenericParamId::LifetimeParamId),
+ ast::GenericParam::TypeParam(it) => {
+ self.type_param_to_def(InFile::new(file_id, it)).map(GenericParamId::TypeParamId)
+ }
+ }
+ }
+
pub(super) fn macro_to_def(&mut self, src: InFile<ast::Macro>) -> Option<MacroDefId> {
let makro = self.dyn_map(src.as_ref()).and_then(|it| it[keys::MACRO].get(&src).copied());
if let res @ Some(_) = makro {
diff --git a/crates/hir/src/source_analyzer.rs b/crates/hir/src/source_analyzer.rs
index 4f987db651..2d779393f0 100644
--- a/crates/hir/src/source_analyzer.rs
+++ b/crates/hir/src/source_analyzer.rs
@@ -50,7 +50,7 @@ impl SourceAnalyzer {
pub(crate) fn new_for_body(
db: &dyn HirDatabase,
def: DefWithBodyId,
- node: InFile<&SyntaxNode>,
+ node @ InFile { file_id, .. }: InFile<&SyntaxNode>,
offset: Option<TextSize>,
) -> SourceAnalyzer {
let (body, source_map) = db.body_with_source_map(def);
@@ -65,7 +65,29 @@ impl SourceAnalyzer {
body: Some(body),
body_source_map: Some(source_map),
infer: Some(db.infer(def)),
- file_id: node.file_id,
+ file_id,
+ }
+ }
+
+ pub(crate) fn new_for_body_no_infer(
+ db: &dyn HirDatabase,
+ def: DefWithBodyId,
+ node @ InFile { file_id, .. }: InFile<&SyntaxNode>,
+ offset: Option<TextSize>,
+ ) -> SourceAnalyzer {
+ let (body, source_map) = db.body_with_source_map(def);
+ let scopes = db.expr_scopes(def);
+ let scope = match offset {
+ None => scope_for(&scopes, &source_map, node),
+ Some(offset) => scope_for_offset(db, &scopes, &source_map, node.with_value(offset)),
+ };
+ let resolver = resolver_for_scope(db.upcast(), def, scope);
+ SourceAnalyzer {
+ resolver,
+ body: Some(body),
+ body_source_map: Some(source_map),
+ infer: None,
+ file_id,
}
}
diff --git a/crates/ide_db/src/defs.rs b/crates/ide_db/src/defs.rs
index 30ebf7828a..b5a13cea91 100644
--- a/crates/ide_db/src/defs.rs
+++ b/crates/ide_db/src/defs.rs
@@ -224,125 +224,93 @@ impl NameClass {
let parent = name.syntax().parent()?;
- if let Some(bind_pat) = ast::IdentPat::cast(parent.clone()) {
- if let Some(def) = sema.resolve_bind_pat_to_const(&bind_pat) {
+ let def = if let Some(item) = ast::Item::cast(parent.clone()) {
+ match item {
+ ast::Item::MacroRules(it) => {
+ Definition::Macro(sema.to_def(&ast::Macro::MacroRules(it))?)
+ }
+ ast::Item::MacroDef(it) => {
+ Definition::Macro(sema.to_def(&ast::Macro::MacroDef(it))?)
+ }
+ ast::Item::Const(it) => Definition::Const(sema.to_def(&it)?),
+ ast::Item::Fn(it) => Definition::Function(sema.to_def(&it)?),
+ ast::Item::Module(it) => Definition::Module(sema.to_def(&it)?),
+ ast::Item::Static(it) => Definition::Static(sema.to_def(&it)?),
+ ast::Item::Trait(it) => Definition::Trait(sema.to_def(&it)?),
+ ast::Item::TypeAlias(it) => Definition::TypeAlias(sema.to_def(&it)?),
+ ast::Item::Enum(it) => Definition::Adt(hir::Adt::Enum(sema.to_def(&it)?)),
+ ast::Item::Struct(it) => Definition::Adt(hir::Adt::Struct(sema.to_def(&it)?)),
+ ast::Item::Union(it) => Definition::Adt(hir::Adt::Union(sema.to_def(&it)?)),
+ _ => return None,
+ }
+ } else if let Some(it) = ast::IdentPat::cast(parent.clone()) {
+ if let Some(def) = sema.resolve_bind_pat_to_const(&it) {
return Some(NameClass::ConstReference(Definition::from(def)));
}
- }
- match_ast! {
- match parent {
- ast::Rename(it) => {
- if let Some(use_tree) = it.syntax().parent().and_then(ast::UseTree::cast) {
- let path = use_tree.path()?;
- let path_segment = path.segment()?;
- let name_ref = path_segment.name_ref()?;
- let name_ref = if name_ref.self_token().is_some() {
- use_tree
- .syntax()
- .parent()
- .as_ref()
- // Skip over UseTreeList
- .and_then(|it| {
- let use_tree = it.parent().and_then(ast::UseTree::cast)?;
- let path = use_tree.path()?;
- let path_segment = path.segment()?;
- path_segment.name_ref()
- }).unwrap_or(name_ref)
- } else {
- name_ref
- };
- let name_ref_class = NameRefClass::classify(sema, &name_ref)?;
-
- Some(NameClass::Definition(match name_ref_class {
- NameRefClass::Definition(def) => def,
- NameRefClass::FieldShorthand { local_ref: _, field_ref } => {
- Definition::Field(field_ref)
- }
- }))
- } else {
- let extern_crate = it.syntax().parent().and_then(ast::ExternCrate::cast)?;
- let krate = sema.resolve_extern_crate(&extern_crate)?;
- let root_module = krate.root_module(sema.db);
- Some(NameClass::Definition(Definition::Module(root_module)))
+ let local = sema.to_def(&it)?;
+ let pat_parent = it.syntax().parent();
+ if let Some(record_pat_field) = pat_parent.and_then(ast::RecordPatField::cast) {
+ if record_pat_field.name_ref().is_none() {
+ if let Some(field) = sema.resolve_record_pat_field(&record_pat_field) {
+ return Some(NameClass::PatFieldShorthand {
+ local_def: local,
+ field_ref: field,
+ });
}
- },
- ast::IdentPat(it) => {
- let local = sema.to_def(&it)?;
+ }
+ }
- if let Some(record_pat_field) = it.syntax().parent().and_then(ast::RecordPatField::cast) {
- if record_pat_field.name_ref().is_none() {
- if let Some(field) = sema.resolve_record_pat_field(&record_pat_field) {
- return Some(NameClass::PatFieldShorthand { local_def: local, field_ref: field });
- }
- }
- }
+ Definition::Local(local)
+ } else if let Some(it) = ast::Rename::cast(parent.clone()) {
+ if let Some(use_tree) = it.syntax().parent().and_then(ast::UseTree::cast) {
+ let path = use_tree.path()?;
+ let path_segment = path.segment()?;
+ let name_ref = path_segment.name_ref()?;
+ let name_ref = if name_ref.self_token().is_some() {
+ use_tree
+ .syntax()
+ .parent()
+ .as_ref()
+ // Skip over UseTreeList
+ .and_then(|it| {
+ let use_tree = it.parent().and_then(ast::UseTree::cast)?;
+ let path = use_tree.path()?;
+ let path_segment = path.segment()?;
+ path_segment.name_ref()
+ })
+ .unwrap_or(name_ref)
+ } else {
+ name_ref
+ };
+ let name_ref_class = NameRefClass::classify(sema, &name_ref)?;
- Some(NameClass::Definition(Definition::Local(local)))
- },
- ast::SelfParam(it) => {
- let def = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Local(def)))
- },
- ast::RecordField(it) => {
- let field: hir::Field = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Field(field)))
- },
- ast::Module(it) => {
- let def = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Module(def)))
- },
- ast::Struct(it) => {
- let def: hir::Struct = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Adt(def.into())))
- },
- ast::Union(it) => {
- let def: hir::Union = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Adt(def.into())))
- },
- ast::Enum(it) => {
- let def: hir::Enum = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Adt(def.into())))
- },
- ast::Trait(it) => {
- let def: hir::Trait = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Trait(def)))
- },
- ast::Static(it) => {
- let def: hir::Static = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Static(def)))
- },
- ast::Variant(it) => {
- let def: hir::Variant = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Variant(def)))
- },
- ast::Fn(it) => {
- let def: hir::Function = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Function(def)))
- },
- ast::Const(it) => {
- let def: hir::Const = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Const(def)))
- },
- ast::TypeAlias(it) => {
- let def: hir::TypeAlias = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::TypeAlias(def)))
- },
- ast::Macro(it) => {
- let def = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::Macro(def)))
- },
- ast::TypeParam(it) => {
- let def = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::GenericParam(def.into())))
- },
- ast::ConstParam(it) => {
- let def = sema.to_def(&it)?;
- Some(NameClass::Definition(Definition::GenericParam(def.into())))
- },
- _ => None,
+ match name_ref_class {
+ NameRefClass::Definition(def) => def,
+ NameRefClass::FieldShorthand { local_ref: _, field_ref } => {
+ Definition::Field(field_ref)
+ }
+ }
+ } else {
+ let extern_crate = it.syntax().parent().and_then(ast::ExternCrate::cast)?;
+ let krate = sema.resolve_extern_crate(&extern_crate)?;
+ let root_module = krate.root_module(sema.db);
+ Definition::Module(root_module)
}
- }
+ } else {
+ match_ast! {
+ match parent {
+ ast::SelfParam(it) => Definition::Local(sema.to_def(&it)?),
+ ast::RecordField(it) => Definition::Field(sema.to_def(&it)?),
+ ast::Variant(it) => Definition::Variant(sema.to_def(&it)?),
+ ast::TypeParam(it) => Definition::GenericParam(sema.to_def(&it)?.into()),
+ ast::ConstParam(it) => Definition::GenericParam(sema.to_def(&it)?.into()),
+ _ => return None,
+ }
+ }
+ };
+
+ Some(NameClass::Definition(def))
}
pub fn classify_lifetime(