bjoernager/rust
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Improve naming and path operations in crate loader

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Simplify the path operation with `join`, clarify some of the names.
This commit is contained in:
Nilstrieb 2024-06-06 21:52:22 +02:00
parent 4c2b21a2ef
commit b4c439c3de
3 changed files with 14 additions and 18 deletions
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18
compiler/rustc_session/src/filesearch.rs
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@ -12,7 +12,7 @@ use tracing::debug;
pub struct FileSearch<'a> {
sysroot: &'a Path,
triple: &'a str,
search_paths: &'a [SearchPath],
cli_search_paths: &'a [SearchPath],
tlib_path: &'a SearchPath,
kind: PathKind,
}
@ -20,7 +20,7 @@ pub struct FileSearch<'a> {
impl<'a> FileSearch<'a> {
pub fn search_paths(&self) -> impl Iterator<Item = &'a SearchPath> {
let kind = self.kind;
self.search_paths
self.cli_search_paths
.iter()
.filter(move |sp| sp.kind.matches(kind))
.chain(std::iter::once(self.tlib_path))
@ -37,26 +37,26 @@ impl<'a> FileSearch<'a> {
pub fn new(
sysroot: &'a Path,
triple: &'a str,
search_paths: &'a [SearchPath],
cli_search_paths: &'a [SearchPath],
tlib_path: &'a SearchPath,
kind: PathKind,
) -> FileSearch<'a> {
debug!("using sysroot = {}, triple = {}", sysroot.display(), triple);
FileSearch { sysroot, triple, search_paths, tlib_path, kind }
FileSearch { sysroot, triple, cli_search_paths, tlib_path, kind }
}
}
pub fn make_target_lib_path(sysroot: &Path, target_triple: &str) -> PathBuf {
let rustlib_path = rustc_target::target_rustlib_path(sysroot, target_triple);
PathBuf::from_iter([sysroot, Path::new(&rustlib_path), Path::new("lib")])
let rustlib_path = rustc_target::relative_target_rustlib_path(sysroot, target_triple);
sysroot.join(rustlib_path).join("lib")
}
/// Returns a path to the target's `bin` folder within its `rustlib` path in the sysroot. This is
/// where binaries are usually installed, e.g. the self-contained linkers, lld-wrappers, LLVM tools,
/// etc.
pub fn make_target_bin_path(sysroot: &Path, target_triple: &str) -> PathBuf {
let rustlib_path = rustc_target::target_rustlib_path(sysroot, target_triple);
PathBuf::from_iter([sysroot, Path::new(&rustlib_path), Path::new("bin")])
let rustlib_path = rustc_target::relative_target_rustlib_path(sysroot, target_triple);
sysroot.join(rustlib_path).join("bin")
}
#[cfg(unix)]
@ -275,7 +275,7 @@ pub fn get_or_default_sysroot() -> Result<PathBuf, String> {
p.pop();
p.pop();
// Look for the target rustlib directory in the suspected sysroot.
let mut rustlib_path = rustc_target::target_rustlib_path(&p, "dummy");
let mut rustlib_path = rustc_target::relative_target_rustlib_path(&p, "dummy");
rustlib_path.pop(); // pop off the dummy target.
rustlib_path.exists().then_some(p)
}