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⬆️ rust-analyzer

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This commit is contained in:
Laurențiu Nicola 2022-11-23 17:24:03 +02:00
parent 61c744d4fd
commit a2a1d99545
126 changed files with 2098 additions and 904 deletions
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2
crates/project-model/src/build_scripts.rs
View file

@ -69,7 +69,7 @@ impl WorkspaceBuildScripts {
cmd.args(&["check", "--quiet", "--workspace", "--message-format=json"]);
// --all-targets includes tests, benches and examples in addition to the
// default lib and bins. This is an independent concept from the --targets
// default lib and bins. This is an independent concept from the --target
// flag below.
cmd.arg("--all-targets");

52
crates/project-model/src/cargo_workspace.rs
View file

@ -270,11 +270,7 @@ impl CargoWorkspace {
config: &CargoConfig,
progress: &dyn Fn(String),
) -> Result<cargo_metadata::Metadata> {
let target = config
.target
.clone()
.or_else(|| cargo_config_build_target(cargo_toml, &config.extra_env))
.or_else(|| rustc_discover_host_triple(cargo_toml, &config.extra_env));
let targets = find_list_of_build_targets(config, cargo_toml);
let mut meta = MetadataCommand::new();
meta.cargo_path(toolchain::cargo());
@ -294,8 +290,12 @@ impl CargoWorkspace {
}
meta.current_dir(current_dir.as_os_str());
if let Some(target) = target {
meta.other_options(vec![String::from("--filter-platform"), target]);
if !targets.is_empty() {
let other_options: Vec<_> = targets
.into_iter()
.flat_map(|target| ["--filter-platform".to_string(), target])
.collect();
meta.other_options(other_options);
}
// FIXME: Fetching metadata is a slow process, as it might require
@ -469,6 +469,19 @@ impl CargoWorkspace {
}
}
fn find_list_of_build_targets(config: &CargoConfig, cargo_toml: &ManifestPath) -> Vec<String> {
if let Some(target) = &config.target {
return [target.into()].to_vec();
}
let build_targets = cargo_config_build_target(cargo_toml, &config.extra_env);
if !build_targets.is_empty() {
return build_targets;
}
rustc_discover_host_triple(cargo_toml, &config.extra_env).into_iter().collect()
}
fn rustc_discover_host_triple(
cargo_toml: &ManifestPath,
extra_env: &FxHashMap<String, String>,
@ -499,7 +512,7 @@ fn rustc_discover_host_triple(
fn cargo_config_build_target(
cargo_toml: &ManifestPath,
extra_env: &FxHashMap<String, String>,
) -> Option<String> {
) -> Vec<String> {
let mut cargo_config = Command::new(toolchain::cargo());
cargo_config.envs(extra_env);
cargo_config
@ -507,12 +520,21 @@ fn cargo_config_build_target(
.args(&["-Z", "unstable-options", "config", "get", "build.target"])
.env("RUSTC_BOOTSTRAP", "1");
// if successful we receive `build.target = "target-triple"`
// or `build.target = ["<target 1>", ..]`
tracing::debug!("Discovering cargo config target by {:?}", cargo_config);
match utf8_stdout(cargo_config) {
Ok(stdout) => stdout
.strip_prefix("build.target = \"")
.and_then(|stdout| stdout.strip_suffix('"'))
.map(ToOwned::to_owned),
Err(_) => None,
}
utf8_stdout(cargo_config).map(parse_output_cargo_config_build_target).unwrap_or_default()
}
fn parse_output_cargo_config_build_target(stdout: String) -> Vec<String> {
let trimmed = stdout.trim_start_matches("build.target = ").trim_matches('"');
if !trimmed.starts_with('[') {
return [trimmed.to_string()].to_vec();
}
let res = serde_json::from_str(trimmed);
if let Err(e) = &res {
tracing::warn!("Failed to parse `build.target` as an array of target: {}`", e);
}
res.unwrap_or_default()
}

27
crates/project-model/src/sysroot.rs
View file

@ -128,14 +128,18 @@ impl Sysroot {
}
if let Some(alloc) = sysroot.by_name("alloc") {
if let Some(core) = sysroot.by_name("core") {
sysroot.crates[alloc].deps.push(core);
for dep in ALLOC_DEPS.trim().lines() {
if let Some(dep) = sysroot.by_name(dep) {
sysroot.crates[alloc].deps.push(dep)
}
}
}
if let Some(proc_macro) = sysroot.by_name("proc_macro") {
if let Some(std) = sysroot.by_name("std") {
sysroot.crates[proc_macro].deps.push(std);
for dep in PROC_MACRO_DEPS.trim().lines() {
if let Some(dep) = sysroot.by_name(dep) {
sysroot.crates[proc_macro].deps.push(dep)
}
}
}
@ -239,6 +243,7 @@ fn get_rust_src(sysroot_path: &AbsPath) -> Option<AbsPathBuf> {
const SYSROOT_CRATES: &str = "
alloc
backtrace
core
panic_abort
panic_unwind
@ -246,17 +251,19 @@ proc_macro
profiler_builtins
std
stdarch/crates/std_detect
term
test
unwind";
const ALLOC_DEPS: &str = "core";
const STD_DEPS: &str = "
alloc
core
panic_abort
panic_unwind
panic_abort
core
profiler_builtins
unwind
std_detect
term
test
unwind";
test";
const PROC_MACRO_DEPS: &str = "std";

79
crates/project-model/src/tests.rs
View file

@ -1566,10 +1566,10 @@ fn rust_project_hello_world_project_model() {
},
Dependency {
crate_id: CrateId(
1,
3,
),
name: CrateName(
"core",
"panic_unwind",
),
prelude: true,
},
@ -1584,10 +1584,10 @@ fn rust_project_hello_world_project_model() {
},
Dependency {
crate_id: CrateId(
3,
1,
),
name: CrateName(
"panic_unwind",
"core",
),
prelude: true,
},
@ -1600,6 +1600,15 @@ fn rust_project_hello_world_project_model() {
),
prelude: true,
},
Dependency {
crate_id: CrateId(
9,
),
name: CrateName(
"unwind",
),
prelude: true,
},
Dependency {
crate_id: CrateId(
7,
@ -1613,29 +1622,11 @@ fn rust_project_hello_world_project_model() {
crate_id: CrateId(
8,
),
name: CrateName(
"term",
),
prelude: true,
},
Dependency {
crate_id: CrateId(
9,
),
name: CrateName(
"test",
),
prelude: true,
},
Dependency {
crate_id: CrateId(
10,
),
name: CrateName(
"unwind",
),
prelude: true,
},
],
proc_macro: Err(
"no proc macro loaded for sysroot crate",
@ -1687,40 +1678,6 @@ fn rust_project_hello_world_project_model() {
),
edition: Edition2018,
version: None,
display_name: Some(
CrateDisplayName {
crate_name: CrateName(
"term",
),
canonical_name: "term",
},
),
cfg_options: CfgOptions(
[],
),
potential_cfg_options: CfgOptions(
[],
),
env: Env {
entries: {},
},
dependencies: [],
proc_macro: Err(
"no proc macro loaded for sysroot crate",
),
origin: Lang(
Other,
),
is_proc_macro: false,
},
CrateId(
9,
): CrateData {
root_file_id: FileId(
10,
),
edition: Edition2018,
version: None,
display_name: Some(
CrateDisplayName {
crate_name: CrateName(
@ -1748,10 +1705,10 @@ fn rust_project_hello_world_project_model() {
is_proc_macro: false,
},
CrateId(
10,
9,
): CrateData {
root_file_id: FileId(
11,
10,
),
edition: Edition2018,
version: None,
@ -1782,10 +1739,10 @@ fn rust_project_hello_world_project_model() {
is_proc_macro: false,
},
CrateId(
11,
10,
): CrateData {
root_file_id: FileId(
12,
11,
),
edition: Edition2018,
version: None,
@ -1836,7 +1793,7 @@ fn rust_project_hello_world_project_model() {
},
Dependency {
crate_id: CrateId(
9,
8,
),
name: CrateName(
"test",

92
crates/project-model/src/workspace.rs
View file

@ -377,6 +377,21 @@ impl ProjectWorkspace {
}
}
pub fn find_sysroot_proc_macro_srv(&self) -> Option<AbsPathBuf> {
match self {
ProjectWorkspace::Cargo { sysroot: Some(sysroot), .. }
| ProjectWorkspace::Json { sysroot: Some(sysroot), .. } => {
let standalone_server_name =
format!("rust-analyzer-proc-macro-srv{}", std::env::consts::EXE_SUFFIX);
["libexec", "lib"]
.into_iter()
.map(|segment| sysroot.root().join(segment).join(&standalone_server_name))
.find(|server_path| std::fs::metadata(&server_path).is_ok())
}
_ => None,
}
}
/// Returns the roots for the current `ProjectWorkspace`
/// The return type contains the path and whether or not
/// the root is a member of the current workspace
@ -509,14 +524,14 @@ impl ProjectWorkspace {
build_scripts,
toolchain: _,
} => cargo_to_crate_graph(
rustc_cfg.clone(),
cfg_overrides,
load_proc_macro,
load,
cargo,
build_scripts,
sysroot.as_ref(),
rustc,
cargo,
sysroot.as_ref(),
rustc_cfg.clone(),
cfg_overrides,
build_scripts,
),
ProjectWorkspace::DetachedFiles { files, sysroot, rustc_cfg } => {
detached_files_to_crate_graph(rustc_cfg.clone(), load, files, sysroot)
@ -602,7 +617,7 @@ fn project_json_to_crate_graph(
for (from, krate) in project.crates() {
if let Some(&from) = crates.get(&from) {
if let Some((public_deps, libproc_macro)) = &sysroot_deps {
public_deps.add(from, &mut crate_graph);
public_deps.add_to_crate_graph(&mut crate_graph, from);
if krate.is_proc_macro {
if let Some(proc_macro) = libproc_macro {
add_dep(
@ -626,14 +641,14 @@ fn project_json_to_crate_graph(
}
fn cargo_to_crate_graph(
rustc_cfg: Vec<CfgFlag>,
override_cfg: &CfgOverrides,
load_proc_macro: &mut dyn FnMut(&str, &AbsPath) -> ProcMacroLoadResult,
load: &mut dyn FnMut(&AbsPath) -> Option<FileId>,
cargo: &CargoWorkspace,
build_scripts: &WorkspaceBuildScripts,
sysroot: Option<&Sysroot>,
rustc: &Option<CargoWorkspace>,
cargo: &CargoWorkspace,
sysroot: Option<&Sysroot>,
rustc_cfg: Vec<CfgFlag>,
override_cfg: &CfgOverrides,
build_scripts: &WorkspaceBuildScripts,
) -> CrateGraph {
let _p = profile::span("cargo_to_crate_graph");
let mut crate_graph = CrateGraph::default();
@ -642,13 +657,15 @@ fn cargo_to_crate_graph(
None => (SysrootPublicDeps::default(), None),
};
let mut cfg_options = CfgOptions::default();
cfg_options.extend(rustc_cfg);
let cfg_options = {
let mut cfg_options = CfgOptions::default();
cfg_options.extend(rustc_cfg);
cfg_options.insert_atom("debug_assertions".into());
cfg_options
};
let mut pkg_to_lib_crate = FxHashMap::default();
cfg_options.insert_atom("debug_assertions".into());
let mut pkg_crates = FxHashMap::default();
// Does any crate signal to rust-analyzer that they need the rustc_private crates?
let mut has_private = false;
@ -723,7 +740,7 @@ fn cargo_to_crate_graph(
// Set deps to the core, std and to the lib target of the current package
for &(from, kind) in pkg_crates.get(&pkg).into_iter().flatten() {
// Add sysroot deps first so that a lib target named `core` etc. can overwrite them.
public_deps.add(from, &mut crate_graph);
public_deps.add_to_crate_graph(&mut crate_graph, from);
if let Some((to, name)) = lib_tgt.clone() {
if to != from && kind != TargetKind::BuildScript {
@ -767,15 +784,16 @@ fn cargo_to_crate_graph(
if let Some(rustc_workspace) = rustc {
handle_rustc_crates(
&mut crate_graph,
rustc_workspace,
&mut pkg_to_lib_crate,
load,
load_proc_macro,
rustc_workspace,
cargo,
&public_deps,
libproc_macro,
&pkg_crates,
&cfg_options,
override_cfg,
load_proc_macro,
&mut pkg_to_lib_crate,
&public_deps,
cargo,
&pkg_crates,
build_scripts,
);
}
@ -825,28 +843,29 @@ fn detached_files_to_crate_graph(
},
);
public_deps.add(detached_file_crate, &mut crate_graph);
public_deps.add_to_crate_graph(&mut crate_graph, detached_file_crate);
}
crate_graph
}
fn handle_rustc_crates(
crate_graph: &mut CrateGraph,
rustc_workspace: &CargoWorkspace,
pkg_to_lib_crate: &mut FxHashMap<Package, CrateId>,
load: &mut dyn FnMut(&AbsPath) -> Option<FileId>,
load_proc_macro: &mut dyn FnMut(&str, &AbsPath) -> ProcMacroLoadResult,
rustc_workspace: &CargoWorkspace,
cargo: &CargoWorkspace,
public_deps: &SysrootPublicDeps,
libproc_macro: Option<CrateId>,
pkg_crates: &FxHashMap<Package, Vec<(CrateId, TargetKind)>>,
cfg_options: &CfgOptions,
override_cfg: &CfgOverrides,
load_proc_macro: &mut dyn FnMut(&str, &AbsPath) -> ProcMacroLoadResult,
pkg_to_lib_crate: &mut FxHashMap<Package, CrateId>,
public_deps: &SysrootPublicDeps,
cargo: &CargoWorkspace,
pkg_crates: &FxHashMap<Package, Vec<(CrateId, TargetKind)>>,
build_scripts: &WorkspaceBuildScripts,
) {
let mut rustc_pkg_crates = FxHashMap::default();
// The root package of the rustc-dev component is rustc_driver, so we match that
let root_pkg =
rustc_workspace.packages().find(|package| rustc_workspace[*package].name == "rustc_driver");
rustc_workspace.packages().find(|&package| rustc_workspace[package].name == "rustc_driver");
// The rustc workspace might be incomplete (such as if rustc-dev is not
// installed for the current toolchain) and `rustc_source` is set to discover.
if let Some(root_pkg) = root_pkg {
@ -901,7 +920,16 @@ fn handle_rustc_crates(
);
pkg_to_lib_crate.insert(pkg, crate_id);
// Add dependencies on core / std / alloc for this crate
public_deps.add(crate_id, crate_graph);
public_deps.add_to_crate_graph(crate_graph, crate_id);
if let Some(proc_macro) = libproc_macro {
add_dep_with_prelude(
crate_graph,
crate_id,
CrateName::new("proc_macro").unwrap(),
proc_macro,
rustc_workspace[tgt].is_proc_macro,
);
}
rustc_pkg_crates.entry(pkg).or_insert_with(Vec::new).push(crate_id);
}
}
@ -1009,7 +1037,7 @@ struct SysrootPublicDeps {
impl SysrootPublicDeps {
/// Makes `from` depend on the public sysroot crates.
fn add(&self, from: CrateId, crate_graph: &mut CrateGraph) {
fn add_to_crate_graph(&self, crate_graph: &mut CrateGraph, from: CrateId) {
for (name, krate, prelude) in &self.deps {
add_dep_with_prelude(crate_graph, from, name.clone(), *krate, *prelude);
}