From 9246df669ae67556b66119c8a6e3416c9534ca45 Mon Sep 17 00:00:00 2001 From: Daniel McNab <36049421+DJMcNab@users.noreply.github.com> Date: Sun, 7 Mar 2021 12:24:20 +0000 Subject: Require opt in to rustc_private This gives the advantage that A future extension would be to check for `feature(rustc_private)` instead --- crates/project_model/src/cargo_workspace.rs | 2 +- crates/project_model/src/workspace.rs | 138 ++++++++++++++-------------- 2 files changed, 70 insertions(+), 70 deletions(-) (limited to 'crates') diff --git a/crates/project_model/src/cargo_workspace.rs b/crates/project_model/src/cargo_workspace.rs index beda2f61f..bc6e20341 100644 --- a/crates/project_model/src/cargo_workspace.rs +++ b/crates/project_model/src/cargo_workspace.rs @@ -112,7 +112,7 @@ pub struct PackageData { #[derive(Deserialize, Default, Debug, Clone, Eq, PartialEq)] pub struct RustAnalyzerPackageMetaData { - pub rustc_private: Option, + pub rustc_private: bool, } #[derive(Debug, Clone, Eq, PartialEq)] diff --git a/crates/project_model/src/workspace.rs b/crates/project_model/src/workspace.rs index cacf462cf..b969420cf 100644 --- a/crates/project_model/src/workspace.rs +++ b/crates/project_model/src/workspace.rs @@ -376,9 +376,10 @@ fn cargo_to_crate_graph( cfg_options.insert_atom("debug_assertions".into()); let mut pkg_crates = FxHashMap::default(); - + let mut has_private = false; // Next, create crates for each package, target pair for pkg in cargo.packages() { + has_private |= cargo[pkg].metadata.rustc_private; let mut lib_tgt = None; for &tgt in cargo[pkg].targets.iter() { if let Some(file_id) = load(&cargo[tgt].root) { @@ -441,89 +442,88 @@ fn cargo_to_crate_graph( let mut rustc_pkg_crates = FxHashMap::default(); - // If the user provided a path to rustc sources, we add all the rustc_private crates - // and create dependencies on them for the crates which opt-in to that - if let Some(rustc_workspace) = rustc { - // rustc-dev crates start from 'rustc_driver' - // Therefore, we collect all crates which are transitive dependencies of rustc_driver - if let Some(root_pkg) = rustc_workspace - .packages() - .find(|package| rustc_workspace[*package].name == "rustc_driver") - { - let mut queue = VecDeque::new(); - queue.push_back(root_pkg); - while let Some(pkg) = queue.pop_front() { - if rustc_pkg_crates.contains_key(&pkg) { - continue; - } - for dep in &rustc_workspace[pkg].dependencies { - queue.push_back(dep.pkg); - } - for &tgt in rustc_workspace[pkg].targets.iter() { - if rustc_workspace[tgt].kind != TargetKind::Lib { + if has_private { + // If the user provided a path to rustc sources, we add all the rustc_private crates + // and create dependencies on them for the crates which opt-in to that + if let Some(rustc_workspace) = rustc { + // rustc-dev crates start from 'rustc_driver' + // We want to collect all crates which are transitive dependencies of rustc_driver + if let Some(root_pkg) = rustc_workspace + .packages() + .find(|package| rustc_workspace[*package].name == "rustc_driver") + { + let mut queue = VecDeque::new(); + queue.push_back(root_pkg); + while let Some(pkg) = queue.pop_front() { + // Don't duplicate packages + if rustc_pkg_crates.contains_key(&pkg) { continue; } - if let Some(file_id) = load(&rustc_workspace[tgt].root) { - let crate_id = add_target_crate_root( - &mut crate_graph, - &rustc_workspace[pkg], - rustc_build_data_map.and_then(|it| it.get(&rustc_workspace[pkg].id)), - &cfg_options, - proc_macro_loader, - file_id, - ); - pkg_to_lib_crate.insert(pkg, crate_id); - // Add dependencies on the core / std / alloc for rustc - for (name, krate) in public_deps.iter() { - add_dep(&mut crate_graph, crate_id, name.clone(), *krate); + for dep in &rustc_workspace[pkg].dependencies { + queue.push_back(dep.pkg); + } + for &tgt in rustc_workspace[pkg].targets.iter() { + if rustc_workspace[tgt].kind != TargetKind::Lib { + continue; + } + if let Some(file_id) = load(&rustc_workspace[tgt].root) { + let crate_id = add_target_crate_root( + &mut crate_graph, + &rustc_workspace[pkg], + rustc_build_data_map + .and_then(|it| it.get(&rustc_workspace[pkg].id)), + &cfg_options, + proc_macro_loader, + file_id, + ); + pkg_to_lib_crate.insert(pkg, crate_id); + // Add dependencies on the core / std / alloc for rustc + for (name, krate) in public_deps.iter() { + add_dep(&mut crate_graph, crate_id, name.clone(), *krate); + } + rustc_pkg_crates.entry(pkg).or_insert_with(Vec::new).push(crate_id); } - rustc_pkg_crates.entry(pkg).or_insert_with(Vec::new).push(crate_id); } } } - } - // Now add a dep edge from all targets of upstream to the lib - // target of downstream. - for pkg in rustc_pkg_crates.keys().copied() { - for dep in rustc_workspace[pkg].dependencies.iter() { - let name = CrateName::new(&dep.name).unwrap(); - if let Some(&to) = pkg_to_lib_crate.get(&dep.pkg) { - for &from in rustc_pkg_crates.get(&pkg).into_iter().flatten() { - add_dep(&mut crate_graph, from, name.clone(), to); + // Now add a dep edge from all targets of upstream to the lib + // target of downstream. + for pkg in rustc_pkg_crates.keys().copied() { + for dep in rustc_workspace[pkg].dependencies.iter() { + let name = CrateName::new(&dep.name).unwrap(); + if let Some(&to) = pkg_to_lib_crate.get(&dep.pkg) { + for &from in rustc_pkg_crates.get(&pkg).into_iter().flatten() { + add_dep(&mut crate_graph, from, name.clone(), to); + } } } } - } - // Add dependencies for all crates which opt in to rustc_private libraries - for dep in rustc_workspace.packages() { - let name = CrateName::normalize_dashes(&rustc_workspace[dep].name); - - if let Some(&to) = pkg_to_lib_crate.get(&dep) { - for pkg in cargo.packages() { - let package = &cargo[pkg]; - if matches!( - (package.is_member, package.metadata.rustc_private), - (true, Some(false)) | (false, Some(false)) | (false, None) - ) { - continue; - } - for &from in pkg_crates.get(&pkg).into_iter().flatten() { - // Avoid creating duplicate dependencies - if !crate_graph[from].dependencies.iter().any(|d| d.name == name) { - add_dep(&mut crate_graph, from, name.clone(), to); - } else { - eprintln!( - "Skipped {} for {:?}", - &name, &crate_graph[from].display_name - ); + // Add dependencies for all crates which opt in to rustc_private libraries + for dep in rustc_workspace.packages() { + let name = CrateName::normalize_dashes(&rustc_workspace[dep].name); + + if let Some(&to) = pkg_to_lib_crate.get(&dep) { + for pkg in cargo.packages() { + let package = &cargo[pkg]; + if !package.metadata.rustc_private { + continue; + } + for &from in pkg_crates.get(&pkg).into_iter().flatten() { + // Avoid creating duplicate dependencies + if !crate_graph[from].dependencies.iter().any(|d| d.name == name) { + add_dep(&mut crate_graph, from, name.clone(), to); + } else { + eprintln!( + "Skipped {} for {:?}", + &name, &crate_graph[from].display_name + ); + } } } } } } - } else { - eprintln!("No cargo workspace"); } crate_graph } -- cgit v1.2.3