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more crate boilerplate

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This commit is contained in:
Aleksey Kladov 2018-12-09 00:51:06 +03:00
parent 9c6c7ec2da
commit ca7e5905c1
5 changed files with 54 additions and 13 deletions
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20
crates/ra_db/src/input.rs
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@ -20,25 +20,31 @@ pub struct CrateGraph {
#[derive(Debug, Clone, PartialEq, Eq)]
struct CrateData {
file_id: FileId,
deps: Vec<Dependency>,
dependencies: Vec<Dependency>,
}
impl CrateData {
fn new(file_id: FileId) -> CrateData {
CrateData {
file_id,
deps: Vec::new(),
dependencies: Vec::new(),
}
}
fn add_dep(&mut self, dep: CrateId) {
self.deps.push(Dependency { crate_: dep })
self.dependencies.push(Dependency { crate_id: dep })
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Dependency {
crate_: CrateId,
crate_id: CrateId,
}
impl Dependency {
pub fn crate_id(&self) -> CrateId {
self.crate_id
}
}
impl CrateGraph {
@ -64,6 +70,12 @@ impl CrateGraph {
.find(|(_crate_id, data)| data.file_id == file_id)?;
Some(crate_id)
}
pub fn dependencies<'a>(
&'a self,
crate_id: CrateId,
) -> impl Iterator<Item = &'a Dependency> + 'a {
self.arena[&crate_id].dependencies.iter()
}
}
salsa::query_group! {