Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/project-model/src/sysroot.rs')
| -rw-r--r-- | crates/project-model/src/sysroot.rs | 136 |
1 files changed, 2 insertions, 134 deletions
diff --git a/crates/project-model/src/sysroot.rs b/crates/project-model/src/sysroot.rs index 77332bfa13..1e3c5a9478 100644 --- a/crates/project-model/src/sysroot.rs +++ b/crates/project-model/src/sysroot.rs @@ -4,17 +4,10 @@ //! but we can't process `.rlib` and need source code instead. The source code //! is typically installed with `rustup component add rust-src` command. -use std::{ - env, fs, - ops::{self, Not}, - path::Path, - process::Command, -}; +use std::{env, fs, ops::Not, path::Path, process::Command}; use anyhow::{format_err, Result}; -use base_db::CrateName; use itertools::Itertools; -use la_arena::{Arena, Idx}; use paths::{AbsPath, AbsPathBuf, Utf8PathBuf}; use rustc_hash::FxHashMap; use stdx::format_to; @@ -37,58 +30,9 @@ pub struct Sysroot { pub enum RustLibSrcWorkspace { Workspace(CargoWorkspace), Json(ProjectJson), - Stitched(Stitched), Empty, } -#[derive(Debug, Clone, Eq, PartialEq)] -pub struct Stitched { - crates: Arena<RustLibSrcCrateData>, -} - -impl ops::Index<RustLibSrcCrate> for Stitched { - type Output = RustLibSrcCrateData; - fn index(&self, index: RustLibSrcCrate) -> &RustLibSrcCrateData { - &self.crates[index] - } -} - -impl Stitched { - pub(crate) fn public_deps( - &self, - ) -> impl Iterator<Item = (CrateName, RustLibSrcCrate, bool)> + '_ { - // core is added as a dependency before std in order to - // mimic rustcs dependency order - [("core", true), ("alloc", false), ("std", true), ("test", false)].into_iter().filter_map( - move |(name, prelude)| { - Some((CrateName::new(name).unwrap(), self.by_name(name)?, prelude)) - }, - ) - } - - pub(crate) fn proc_macro(&self) -> Option<RustLibSrcCrate> { - self.by_name("proc_macro") - } - - pub(crate) fn crates(&self) -> impl ExactSizeIterator<Item = RustLibSrcCrate> + '_ { - self.crates.iter().map(|(id, _data)| id) - } - - fn by_name(&self, name: &str) -> Option<RustLibSrcCrate> { - let (id, _data) = self.crates.iter().find(|(_id, data)| data.name == name)?; - Some(id) - } -} - -pub(crate) type RustLibSrcCrate = Idx<RustLibSrcCrateData>; - -#[derive(Debug, Clone, Eq, PartialEq)] -pub(crate) struct RustLibSrcCrateData { - pub(crate) name: String, - pub(crate) root: ManifestPath, - pub(crate) deps: Vec<RustLibSrcCrate>, -} - impl Sysroot { pub const fn empty() -> Sysroot { Sysroot { @@ -116,7 +60,6 @@ impl Sysroot { match &self.workspace { RustLibSrcWorkspace::Workspace(ws) => ws.packages().next().is_none(), RustLibSrcWorkspace::Json(project_json) => project_json.n_crates() == 0, - RustLibSrcWorkspace::Stitched(stitched) => stitched.crates.is_empty(), RustLibSrcWorkspace::Empty => true, } } @@ -129,7 +72,6 @@ impl Sysroot { match &self.workspace { RustLibSrcWorkspace::Workspace(ws) => ws.packages().count(), RustLibSrcWorkspace::Json(project_json) => project_json.n_crates(), - RustLibSrcWorkspace::Stitched(c) => c.crates().count(), RustLibSrcWorkspace::Empty => 0, } } @@ -258,51 +200,8 @@ impl Sysroot { } else if let RustSourceWorkspaceConfig::Json(project_json) = sysroot_source_config { return Some(RustLibSrcWorkspace::Json(project_json.clone())); } - tracing::debug!("Stitching sysroot library: {src_root}"); - - let mut stitched = Stitched { crates: Arena::default() }; - - for path in SYSROOT_CRATES.trim().lines() { - let name = path.split('/').last().unwrap(); - let root = [format!("{path}/src/lib.rs"), format!("lib{path}/lib.rs")] - .into_iter() - .map(|it| src_root.join(it)) - .filter_map(|it| ManifestPath::try_from(it).ok()) - .find(|it| fs::metadata(it).is_ok()); - - if let Some(root) = root { - stitched.crates.alloc(RustLibSrcCrateData { - name: name.into(), - root, - deps: Vec::new(), - }); - } - } - - if let Some(std) = stitched.by_name("std") { - for dep in STD_DEPS.trim().lines() { - if let Some(dep) = stitched.by_name(dep) { - stitched.crates[std].deps.push(dep) - } - } - } - - if let Some(alloc) = stitched.by_name("alloc") { - for dep in ALLOC_DEPS.trim().lines() { - if let Some(dep) = stitched.by_name(dep) { - stitched.crates[alloc].deps.push(dep) - } - } - } - if let Some(proc_macro) = stitched.by_name("proc_macro") { - for dep in PROC_MACRO_DEPS.trim().lines() { - if let Some(dep) = stitched.by_name(dep) { - stitched.crates[proc_macro].deps.push(dep) - } - } - } - Some(RustLibSrcWorkspace::Stitched(stitched)) + None } pub fn set_workspace(&mut self, workspace: RustLibSrcWorkspace) { @@ -317,7 +216,6 @@ impl Sysroot { .crates() .filter_map(|(_, krate)| krate.display_name.clone()) .any(|name| name.canonical_name().as_str() == "core"), - RustLibSrcWorkspace::Stitched(stitched) => stitched.by_name("core").is_some(), RustLibSrcWorkspace::Empty => true, }; if !has_core { @@ -493,33 +391,3 @@ fn get_rust_lib_src(sysroot_path: &AbsPath) -> Option<AbsPathBuf> { None } } - -const SYSROOT_CRATES: &str = " -alloc -backtrace -core -panic_abort -panic_unwind -proc_macro -profiler_builtins -std -stdarch/crates/std_detect -test -unwind"; - -const ALLOC_DEPS: &str = "core"; - -const STD_DEPS: &str = " -alloc -panic_unwind -panic_abort -core -profiler_builtins -unwind -std_detect -test"; - -// core is required for our builtin derives to work in the proc_macro lib currently -const PROC_MACRO_DEPS: &str = " -std -core"; |