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authorJonas Schievink <[email protected]>2020-12-16 23:26:01 +0000
committerJonas Schievink <[email protected]>2020-12-16 23:26:01 +0000
commit21b68a328ca1f8e926f0364727ed105310a573b5 (patch)
tree94159153e6f1b26bc7f1b888aeee698ab182ed98 /crates/hir_def
parent785860bd171da1a18aed78a5020732831596cd78 (diff)
Remove `module_lang_items`
It isn't used anywhere except in `crate_lang_items`. Remove it to slightly reduce memory usage and simplify the code.
Diffstat (limited to 'crates/hir_def')
-rw-r--r--crates/hir_def/src/db.rs7
-rw-r--r--crates/hir_def/src/lang_item.rs77
2 files changed, 30 insertions, 54 deletions
diff --git a/crates/hir_def/src/db.rs b/crates/hir_def/src/db.rs
index 7f250da33..d1a459066 100644
--- a/crates/hir_def/src/db.rs
+++ b/crates/hir_def/src/db.rs
@@ -16,8 +16,8 @@ use crate::{
16 lang_item::{LangItemTarget, LangItems}, 16 lang_item::{LangItemTarget, LangItems},
17 nameres::CrateDefMap, 17 nameres::CrateDefMap,
18 AttrDefId, ConstId, ConstLoc, DefWithBodyId, EnumId, EnumLoc, FunctionId, FunctionLoc, 18 AttrDefId, ConstId, ConstLoc, DefWithBodyId, EnumId, EnumLoc, FunctionId, FunctionLoc,
19 GenericDefId, ImplId, ImplLoc, ModuleId, StaticId, StaticLoc, StructId, StructLoc, TraitId, 19 GenericDefId, ImplId, ImplLoc, StaticId, StaticLoc, StructId, StructLoc, TraitId, TraitLoc,
20 TraitLoc, TypeAliasId, TypeAliasLoc, UnionId, UnionLoc, 20 TypeAliasId, TypeAliasLoc, UnionId, UnionLoc,
21}; 21};
22 22
23#[salsa::query_group(InternDatabaseStorage)] 23#[salsa::query_group(InternDatabaseStorage)]
@@ -95,9 +95,6 @@ pub trait DefDatabase: InternDatabase + AstDatabase + Upcast<dyn AstDatabase> {
95 #[salsa::invoke(Attrs::attrs_query)] 95 #[salsa::invoke(Attrs::attrs_query)]
96 fn attrs(&self, def: AttrDefId) -> Attrs; 96 fn attrs(&self, def: AttrDefId) -> Attrs;
97 97
98 #[salsa::invoke(LangItems::module_lang_items_query)]
99 fn module_lang_items(&self, module: ModuleId) -> Option<Arc<LangItems>>;
100
101 #[salsa::invoke(LangItems::crate_lang_items_query)] 98 #[salsa::invoke(LangItems::crate_lang_items_query)]
102 fn crate_lang_items(&self, krate: CrateId) -> Arc<LangItems>; 99 fn crate_lang_items(&self, krate: CrateId) -> Arc<LangItems>;
103 100
diff --git a/crates/hir_def/src/lang_item.rs b/crates/hir_def/src/lang_item.rs
index 063eadccb..30188b740 100644
--- a/crates/hir_def/src/lang_item.rs
+++ b/crates/hir_def/src/lang_item.rs
@@ -8,8 +8,8 @@ use rustc_hash::FxHashMap;
8use syntax::SmolStr; 8use syntax::SmolStr;
9 9
10use crate::{ 10use crate::{
11 db::DefDatabase, AdtId, AttrDefId, CrateId, EnumId, FunctionId, ImplId, ModuleDefId, ModuleId, 11 db::DefDatabase, AdtId, AttrDefId, CrateId, EnumId, FunctionId, ImplId, ModuleDefId, StaticId,
12 StaticId, StructId, TraitId, 12 StructId, TraitId,
13}; 13};
14 14
15#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] 15#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
@@ -84,27 +84,34 @@ impl LangItems {
84 84
85 let crate_def_map = db.crate_def_map(krate); 85 let crate_def_map = db.crate_def_map(krate);
86 86
87 crate_def_map 87 for (_, module_data) in crate_def_map.modules.iter() {
88 .modules 88 for impl_def in module_data.scope.impls() {
89 .iter() 89 lang_items.collect_lang_item(db, impl_def, LangItemTarget::ImplDefId)
90 .filter_map(|(local_id, _)| db.module_lang_items(ModuleId { krate, local_id })) 90 }
91 .for_each(|it| lang_items.items.extend(it.items.iter().map(|(k, v)| (k.clone(), *v))));
92
93 Arc::new(lang_items)
94 }
95 91
96 pub(crate) fn module_lang_items_query( 92 for def in module_data.scope.declarations() {
97 db: &dyn DefDatabase, 93 match def {
98 module: ModuleId, 94 ModuleDefId::TraitId(trait_) => {
99 ) -> Option<Arc<LangItems>> { 95 lang_items.collect_lang_item(db, trait_, LangItemTarget::TraitId)
100 let _p = profile::span("module_lang_items_query"); 96 }
101 let mut lang_items = LangItems::default(); 97 ModuleDefId::AdtId(AdtId::EnumId(e)) => {
102 lang_items.collect_lang_items(db, module); 98 lang_items.collect_lang_item(db, e, LangItemTarget::EnumId)
103 if lang_items.items.is_empty() { 99 }
104 None 100 ModuleDefId::AdtId(AdtId::StructId(s)) => {
105 } else { 101 lang_items.collect_lang_item(db, s, LangItemTarget::StructId)
106 Some(Arc::new(lang_items)) 102 }
103 ModuleDefId::FunctionId(f) => {
104 lang_items.collect_lang_item(db, f, LangItemTarget::FunctionId)
105 }
106 ModuleDefId::StaticId(s) => {
107 lang_items.collect_lang_item(db, s, LangItemTarget::StaticId)
108 }
109 _ => {}
110 }
111 }
107 } 112 }
113
114 Arc::new(lang_items)
108 } 115 }
109 116
110 /// Salsa query. Look for a lang item, starting from the specified crate and recursively 117 /// Salsa query. Look for a lang item, starting from the specified crate and recursively
@@ -126,34 +133,6 @@ impl LangItems {
126 .find_map(|dep| db.lang_item(dep.crate_id, item.clone())) 133 .find_map(|dep| db.lang_item(dep.crate_id, item.clone()))
127 } 134 }
128 135
129 fn collect_lang_items(&mut self, db: &dyn DefDatabase, module: ModuleId) {
130 // Look for impl targets
131 let def_map = db.crate_def_map(module.krate);
132 let module_data = &def_map[module.local_id];
133 for impl_def in module_data.scope.impls() {
134 self.collect_lang_item(db, impl_def, LangItemTarget::ImplDefId)
135 }
136
137 for def in module_data.scope.declarations() {
138 match def {
139 ModuleDefId::TraitId(trait_) => {
140 self.collect_lang_item(db, trait_, LangItemTarget::TraitId)
141 }
142 ModuleDefId::AdtId(AdtId::EnumId(e)) => {
143 self.collect_lang_item(db, e, LangItemTarget::EnumId)
144 }
145 ModuleDefId::AdtId(AdtId::StructId(s)) => {
146 self.collect_lang_item(db, s, LangItemTarget::StructId)
147 }
148 ModuleDefId::FunctionId(f) => {
149 self.collect_lang_item(db, f, LangItemTarget::FunctionId)
150 }
151 ModuleDefId::StaticId(s) => self.collect_lang_item(db, s, LangItemTarget::StaticId),
152 _ => {}
153 }
154 }
155 }
156
157 fn collect_lang_item<T>( 136 fn collect_lang_item<T>(
158 &mut self, 137 &mut self,
159 db: &dyn DefDatabase, 138 db: &dyn DefDatabase,