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Expose HasSource::source through Semantics with caching behaviour

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This commit is contained in:
Lukas Wirth 2021-10-07 14:46:49 +02:00
parent fb27c58a04
commit 12465a8a3c
4 changed files with 24 additions and 7 deletions
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23
crates/hir/src/semantics.rs
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@ -25,9 +25,9 @@ use crate::{
db::HirDatabase,
semantics::source_to_def::{ChildContainer, SourceToDefCache, SourceToDefCtx},
source_analyzer::{resolve_hir_path, SourceAnalyzer},
Access, AssocItem, Callable, ConstParam, Crate, Field, Function, HirFileId, Impl, InFile,
Label, LifetimeParam, Local, MacroDef, Module, ModuleDef, Name, Path, ScopeDef, Trait, Type,
TypeAlias, TypeParam, VariantDef,
Access, AssocItem, Callable, ConstParam, Crate, Field, Function, HasSource, HirFileId, Impl,
InFile, Label, LifetimeParam, Local, MacroDef, Module, ModuleDef, Name, Path, ScopeDef, Trait,
Type, TypeAlias, TypeParam, VariantDef,
};
#[derive(Debug, Clone, PartialEq, Eq)]
@ -190,6 +190,14 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
self.imp.descend_node_into_attributes(node)
}
/// Search for a definition's source and cache its syntax tree
pub fn source<Def: HasSource>(&self, def: Def) -> Option<InFile<Def::Ast>>
where
Def::Ast: AstNode,
{
self.imp.source(def)
}
pub fn hir_file_for(&self, syntax_node: &SyntaxNode) -> HirFileId {
self.imp.find_file(syntax_node.clone()).file_id
}
@ -845,6 +853,15 @@ impl<'db> SemanticsImpl<'db> {
SemanticsScope { db: self.db, file_id, resolver }
}
fn source<Def: HasSource>(&self, def: Def) -> Option<InFile<Def::Ast>>
where
Def::Ast: AstNode,
{
let res = def.source(self.db)?;
self.cache(find_root(res.value.syntax()), res.file_id);
Some(res)
}
fn analyze(&self, node: &SyntaxNode) -> SourceAnalyzer {
self.analyze_impl(node, None)
}