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use ra_syntax::{
AstNode, SourceFile, TreeArc, AstPtr,
ast,
};
use ra_arena::{RawId, impl_arena_id, map::ArenaMap};
use crate::{Path, ModuleSource, Name};
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct ImportId(RawId);
impl_arena_id!(ImportId);
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ImportData {
pub(super) path: Path,
pub(super) alias: Option<Name>,
pub(super) is_glob: bool,
pub(super) is_prelude: bool,
pub(super) is_extern_crate: bool,
}
#[derive(Debug, Default, PartialEq, Eq)]
pub struct ImportSourceMap {
map: ArenaMap<ImportId, AstPtr<ast::PathSegment>>,
}
impl ImportSourceMap {
pub(crate) fn insert(&mut self, import: ImportId, segment: &ast::PathSegment) {
self.map.insert(import, AstPtr::new(segment))
}
pub fn get(&self, source: &ModuleSource, import: ImportId) -> TreeArc<ast::PathSegment> {
let file = match source {
ModuleSource::SourceFile(file) => &*file,
ModuleSource::Module(m) => m.syntax().ancestors().find_map(SourceFile::cast).unwrap(),
};
self.map[import].to_node(file).to_owned()
}
}
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