rust-analyzer/crates/ra_hir/src/query_definitions.rs
2019-02-01 22:05:24 +08:00

29 lines
699 B
Rust

use std::sync::Arc;
use ra_syntax::{
SyntaxNode, TreeArc,
};
use crate::{
SourceFileItems, SourceItemId, HirFileId,
PersistentHirDatabase,
};
pub(super) fn file_items(
db: &impl PersistentHirDatabase,
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 PersistentHirDatabase,
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()
}