rust/crates/ra_lsp_server/src/cargo_target_spec.rs
2020-01-16 11:58:31 +01:00

108 lines
3.4 KiB
Rust

//! FIXME: write short doc here
use ra_ide::{FileId, RunnableKind};
use ra_project_model::{self, ProjectWorkspace, TargetKind};
use crate::{world::WorldSnapshot, Result};
pub(crate) fn runnable_args(
world: &WorldSnapshot,
file_id: FileId,
kind: &RunnableKind,
) -> Result<Vec<String>> {
let spec = CargoTargetSpec::for_file(world, file_id)?;
let mut res = Vec::new();
match kind {
RunnableKind::Test { name } => {
res.push("test".to_string());
if let Some(spec) = spec {
spec.push_to(&mut res);
}
res.push("--".to_string());
res.push(name.to_string());
res.push("--nocapture".to_string());
}
RunnableKind::TestMod { path } => {
res.push("test".to_string());
if let Some(spec) = spec {
spec.push_to(&mut res);
}
res.push("--".to_string());
res.push(path.to_string());
res.push("--nocapture".to_string());
}
RunnableKind::Bench { name } => {
res.push("bench".to_string());
if let Some(spec) = spec {
spec.push_to(&mut res);
}
res.push("--".to_string());
res.push(name.to_string());
res.push("--nocapture".to_string());
}
RunnableKind::Bin => {
res.push("run".to_string());
if let Some(spec) = spec {
spec.push_to(&mut res);
}
}
}
Ok(res)
}
pub struct CargoTargetSpec {
pub package: String,
pub target: String,
pub target_kind: TargetKind,
}
impl CargoTargetSpec {
pub fn for_file(world: &WorldSnapshot, file_id: FileId) -> Result<Option<CargoTargetSpec>> {
let &crate_id = match world.analysis().crate_for(file_id)?.first() {
Some(crate_id) => crate_id,
None => return Ok(None),
};
let file_id = world.analysis().crate_root(crate_id)?;
let path = world.file_id_to_path(file_id);
let res = world.workspaces.iter().find_map(|ws| match ws {
ProjectWorkspace::Cargo { cargo, .. } => {
let tgt = cargo.target_by_root(&path)?;
Some(CargoTargetSpec {
package: tgt.package(&cargo).name(&cargo).to_string(),
target: tgt.name(&cargo).to_string(),
target_kind: tgt.kind(&cargo),
})
}
ProjectWorkspace::Json { .. } => None,
});
Ok(res)
}
pub fn push_to(self, buf: &mut Vec<String>) {
buf.push("--package".to_string());
buf.push(self.package);
match self.target_kind {
TargetKind::Bin => {
buf.push("--bin".to_string());
buf.push(self.target);
}
TargetKind::Test => {
buf.push("--test".to_string());
buf.push(self.target);
}
TargetKind::Bench => {
buf.push("--bench".to_string());
buf.push(self.target);
}
TargetKind::Example => {
buf.push("--example".to_string());
buf.push(self.target);
}
TargetKind::Lib => {
buf.push("--lib".to_string());
}
TargetKind::Other => (),
}
}
}