Build and run build scripts in lsif command

Author: Veykril

src/tools/rust-analyzer/crates/load-cargo/src/lib.rs

@@ -25,6 +25,7 @@ use vfs::{
     AbsPath, AbsPathBuf, VfsPath,
 };
 
+#[derive(Debug)]
 pub struct LoadCargoConfig {
     pub load_out_dirs_from_check: bool,
     pub with_proc_macro_server: ProcMacroServerChoice,
@@ -69,6 +70,7 @@ pub fn load_workspace(
         Box::new(loader)
     };
 
+    tracing::debug!(?load_config, "LoadCargoConfig");
     let proc_macro_server = match &load_config.with_proc_macro_server {
         ProcMacroServerChoice::Sysroot => ws
             .find_sysroot_proc_macro_srv()
@@ -81,6 +83,14 @@ pub fn load_workspace(
             Err((anyhow::format_err!("proc macro server disabled"), false))
         }
     };
+    match &proc_macro_server {
+        Ok(server) => {
+            tracing::info!(path=%server.path(), "Proc-macro server started")
+        }
+        Err((e, _)) => {
+            tracing::info!(%e, "Failed to start proc-macro server")
+        }
+    }
 
     let (crate_graph, proc_macros) = ws.to_crate_graph(
         &mut |path: &AbsPath| {

src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs

@@ -276,26 +276,27 @@ impl flags::Lsif {
         eprintln!("Generating LSIF started...");
         let now = Instant::now();
         let cargo_config =
-            CargoConfig { sysroot: Some(RustLibSource::Discover), ..Default::default() };
+            &CargoConfig { sysroot: Some(RustLibSource::Discover), ..Default::default() };
         let no_progress = &|_| ();
         let load_cargo_config = LoadCargoConfig {
             load_out_dirs_from_check: true,
             with_proc_macro_server: ProcMacroServerChoice::Sysroot,
             prefill_caches: false,
         };
         let path = AbsPathBuf::assert_utf8(env::current_dir()?.join(self.path));
-        let manifest = ProjectManifest::discover_single(&path)?;
+        let root = ProjectManifest::discover_single(&path)?;
+        let mut workspace = ProjectWorkspace::load(root, cargo_config, no_progress)?;
 
-        let workspace = ProjectWorkspace::load(manifest, &cargo_config, no_progress)?;
-        let root = workspace.workspace_root().to_owned();
+        let build_scripts = workspace.run_build_scripts(cargo_config, no_progress)?;
+        workspace.set_build_scripts(build_scripts);
 
         let (db, vfs, _proc_macro) =
             load_workspace(workspace, &cargo_config.extra_env, &load_cargo_config)?;
         let host = AnalysisHost::with_database(db);
         let db = host.raw_database();
         let analysis = host.analysis();
 
-        let si = StaticIndex::compute(&analysis, &root.into());
+        let si = StaticIndex::compute(&analysis, &path.clone().into());
 
         let mut lsif = LsifManager::new(&analysis, db, &vfs);
         lsif.add_vertex(lsif::Vertex::MetaData(lsif::MetaData {