Rename folder

1 files changed, 118 insertions, 0 deletions

diff --git a/crates/rust-analyzer/src/cargo_target_spec.rs b/crates/rust-analyzer/src/cargo_target_spec.rs
new file mode 100644
index 000000000..53751aafb
--- /dev/null
+++ b/crates/rust-analyzer/src/cargo_target_spec.rs
@@ -0,0 +1,118 @@
+//! See `CargoTargetSpec`
+
+use ra_ide::{FileId, RunnableKind, TestId};
+use ra_project_model::{self, ProjectWorkspace, TargetKind};
+
+use crate::{world::WorldSnapshot, Result};
+
+/// Abstract representation of Cargo target.
+///
+/// We use it to cook up the set of cli args we need to pass to Cargo to
+/// build/test/run the target.
+pub(crate) struct CargoTargetSpec {
+    pub(crate) package: String,
+    pub(crate) target: String,
+    pub(crate) target_kind: TargetKind,
+}
+
+impl CargoTargetSpec {
+    pub(crate) fn runnable_args(
+        spec: Option<CargoTargetSpec>,
+        kind: &RunnableKind,
+    ) -> Result<Vec<String>> {
+        let mut res = Vec::new();
+        match kind {
+            RunnableKind::Test { test_id } => {
+                res.push("test".to_string());
+                if let Some(spec) = spec {
+                    spec.push_to(&mut res);
+                }
+                res.push("--".to_string());
+                res.push(test_id.to_string());
+                if let TestId::Path(_) = test_id {
+                    res.push("--exact".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 { test_id } => {
+                res.push("bench".to_string());
+                if let Some(spec) = spec {
+                    spec.push_to(&mut res);
+                }
+                res.push("--".to_string());
+                res.push(test_id.to_string());
+                if let TestId::Path(_) = test_id {
+                    res.push("--exact".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(crate) 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(crate) 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 => (),
+        }
+    }
+}