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use std::sync::Arc;
use libsyntax2::{File};
use {
FileId, FileResolverImp,
db::{Query, GroundQuery, QueryCtx, hash},
};
impl<'a> QueryCtx<'a> {
pub(crate) fn file_set(&self) -> Arc<(Vec<FileId>, FileResolverImp)> {
self.get_g(FILE_SET, ())
}
pub(crate) fn file_text(&self, file_id: FileId) -> Arc<str> {
Arc::clone(&*self.get_g(FILE_TEXT, file_id))
}
pub(crate) fn file_syntax(&self, file_id: FileId) -> File {
(&*self.get(FILE_SYNTAX, file_id)).clone()
}
}
pub(super) const FILE_TEXT: GroundQuery<FileId, Arc<str>> = GroundQuery {
id: 10,
f: |state, id| state.file_map[&id].clone(),
h: hash,
};
pub(super) const FILE_SET: GroundQuery<(), (Vec<FileId>, FileResolverImp)> = GroundQuery {
id: 11,
f: |state, &()| {
let files = state.file_map.keys().cloned().collect();
let resolver = state.resolver.clone();
(files, resolver)
},
h: |(files, _)| hash(files),
};
pub(super) const FILE_SYNTAX: Query<FileId, File> = Query {
id: 20,
f: |ctx, file_id: &FileId| {
let text = ctx.file_text(*file_id);
File::parse(&*text)
}
};
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