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use std::sync::Arc;
use ra_syntax::{SyntaxNode, TreeArc};
use crate::{
SourceFileItems, SourceItemId, HirFileId,
Function, FnScopes,
db::HirDatabase,
};
pub(super) fn fn_scopes(db: &impl HirDatabase, func: Function) -> Arc<FnScopes> {
let body = db.body_hir(func);
let res = FnScopes::new(body);
Arc::new(res)
}
pub(super) fn file_items(db: &impl HirDatabase, file_id: HirFileId) -> Arc<SourceFileItems> {
let source_file = db.hir_parse(file_id);
let res = SourceFileItems::new(file_id, &source_file);
Arc::new(res)
}
pub(super) fn file_item(
db: &impl HirDatabase,
source_item_id: SourceItemId,
) -> TreeArc<SyntaxNode> {
let source_file = db.hir_parse(source_item_id.file_id);
db.file_items(source_item_id.file_id)[source_item_id.item_id]
.to_node(&source_file)
.to_owned()
}
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