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|
use std::{
sync::Arc,
time::Instant,
};
use rustc_hash::FxHashMap;
use ra_syntax::{
AstNode, SyntaxNode, TreeArc,
};
use ra_db::{CrateId};
use crate::{
SourceFileItems, SourceItemId, HirFileId,
Function, FnScopes, Module,
db::HirDatabase,
nameres::{ItemMap, Resolver},
};
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> {
match source_item_id.item_id {
Some(id) => db.file_items(source_item_id.file_id)[id].to_owned(),
None => db.hir_parse(source_item_id.file_id).syntax().to_owned(),
}
}
pub(super) fn item_map(db: &impl HirDatabase, crate_id: CrateId) -> Arc<ItemMap> {
let start = Instant::now();
let module_tree = db.module_tree(crate_id);
let input = module_tree
.modules()
.map(|module_id| {
(
module_id,
db.lower_module_module(Module {
krate: crate_id,
module_id,
}),
)
})
.collect::<FxHashMap<_, _>>();
let resolver = Resolver::new(db, &input, crate_id);
let res = resolver.resolve();
let elapsed = start.elapsed();
log::info!("item_map: {:?}", elapsed);
Arc::new(res)
}
|
