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Normalize dashes in crate names

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This commit is contained in:
Kirill Bulatov 2020-02-05 11:53:54 +02:00
parent c9e1aab880
commit 2b9952625b
1 changed files with 33 additions and 8 deletions
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41
crates/ra_db/src/input.rs
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@ -83,6 +83,17 @@ pub struct CrateGraph {
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct CrateId(pub u32);
pub struct CrateName(SmolStr);
impl<T: AsRef<str>> From<T> for CrateName {
fn from(name: T) -> Self {
// For root projects with dashes in their name,
// cargo metadata does not do any normalization
// so we do it ourselves
Self(SmolStr::new(name.as_ref().replace('-', "_")))
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
struct CrateData {
file_id: FileId,
@ -131,13 +142,13 @@ impl CrateGraph {
pub fn add_dep(
&mut self,
from: CrateId,
name: SmolStr,
name: CrateName,
to: CrateId,
) -> Result<(), CyclicDependenciesError> {
if self.dfs_find(from, to, &mut FxHashSet::default()) {
return Err(CyclicDependenciesError);
}
self.arena.get_mut(&from).unwrap().add_dep(name, to);
self.arena.get_mut(&from).unwrap().add_dep(name.0, to);
Ok(())
}
@ -268,7 +279,7 @@ pub struct CyclicDependenciesError;
#[cfg(test)]
mod tests {
use super::{CfgOptions, CrateGraph, Edition::Edition2018, Env, FileId, SmolStr};
use super::{CfgOptions, CrateGraph, Dependency, Edition::Edition2018, Env, FileId};
#[test]
fn it_should_panic_because_of_cycle_dependencies() {
@ -279,9 +290,9 @@ mod tests {
graph.add_crate_root(FileId(2u32), Edition2018, CfgOptions::default(), Env::default());
let crate3 =
graph.add_crate_root(FileId(3u32), Edition2018, CfgOptions::default(), Env::default());
assert!(graph.add_dep(crate1, SmolStr::new("crate2"), crate2).is_ok());
assert!(graph.add_dep(crate2, SmolStr::new("crate3"), crate3).is_ok());
assert!(graph.add_dep(crate3, SmolStr::new("crate1"), crate1).is_err());
assert!(graph.add_dep(crate1, "crate2".into(), crate2).is_ok());
assert!(graph.add_dep(crate2, "crate3".into(), crate3).is_ok());
assert!(graph.add_dep(crate3, "crate1".into(), crate1).is_err());
}
#[test]
@ -293,7 +304,21 @@ mod tests {
graph.add_crate_root(FileId(2u32), Edition2018, CfgOptions::default(), Env::default());
let crate3 =
graph.add_crate_root(FileId(3u32), Edition2018, CfgOptions::default(), Env::default());
assert!(graph.add_dep(crate1, SmolStr::new("crate2"), crate2).is_ok());
assert!(graph.add_dep(crate2, SmolStr::new("crate3"), crate3).is_ok());
assert!(graph.add_dep(crate1, "crate2".into(), crate2).is_ok());
assert!(graph.add_dep(crate2, "crate3".into(), crate3).is_ok());
}
#[test]
fn dashes_are_normalized() {
let mut graph = CrateGraph::default();
let crate1 =
graph.add_crate_root(FileId(1u32), Edition2018, CfgOptions::default(), Env::default());
let crate2 =
graph.add_crate_root(FileId(2u32), Edition2018, CfgOptions::default(), Env::default());
assert!(graph.add_dep(crate1, "crate-name-with-dashes".into(), crate2).is_ok());
assert_eq!(
graph.dependencies(crate1).collect::<Vec<_>>(),
vec![&Dependency { crate_id: crate2, name: "crate_name_with_dashes".into() }]
);
}
}