Merge #939

939: Initial implementation of project-lock.json. r=davidtwco a=davidtwco

Fixes #792.

This PR adds a initial implementation of project-lock.json, a build
system agnostic method of specifying the crate graph and roots.

Co-authored-by: David Wood <[email protected]>

1 files changed, 2 insertions, 7 deletions

diff --git a/crates/ra_lsp_server/src/server_world.rs b/crates/ra_lsp_server/src/server_world.rs
index 4a68c019f..7163568b9 100644
--- a/crates/ra_lsp_server/src/server_world.rs
+++ b/crates/ra_lsp_server/src/server_world.rs
@@ -40,12 +40,7 @@ impl ServerWorldState {
         let mut roots = Vec::new();
         roots.push(root.clone());
         for ws in workspaces.iter() {
-            for pkg in ws.cargo.packages() {
-                roots.push(pkg.root(&ws.cargo).to_path_buf());
-            }
-            for krate in ws.sysroot.crates() {
-                roots.push(krate.root_dir(&ws.sysroot).to_path_buf())
-            }
+            roots.extend(ws.to_roots());
         }
         let (mut vfs, roots) = Vfs::new(roots);
         let roots_to_scan = roots.len();
@@ -185,7 +180,7 @@ impl ServerWorld {
         } else {
             res.push_str("workspaces:\n");
             for w in self.workspaces.iter() {
-                res += &format!("{} packages loaded\n", w.cargo.packages().count());
+                res += &format!("{} packages loaded\n", w.count());
             }
         }
         res.push_str("\nanalysis:\n");