Remove `Session::sysroot()`.
Instead of maybe storing its own sysroot and maybe deferring to the one in `Session::opts`, just clone the latter when necessary so one is always directly available. This removes the need for the getter.
This commit is contained in:
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0238bcc60d
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@ -48,7 +48,7 @@ use std::cell::{self, Cell, RefCell};
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use std::env;
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use std::fmt;
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use std::io::Write;
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use std::path::{Path, PathBuf};
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use std::path::PathBuf;
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use std::time::Duration;
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use std::sync::mpsc;
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use std::sync::atomic::{AtomicUsize, Ordering};
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@ -69,7 +69,7 @@ pub struct Session {
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pub entry_fn: Once<Option<(NodeId, Span, config::EntryFnType)>>,
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pub plugin_registrar_fn: Once<Option<ast::NodeId>>,
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pub proc_macro_decls_static: Once<Option<ast::NodeId>>,
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pub default_sysroot: Option<PathBuf>,
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pub sysroot: PathBuf,
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/// The name of the root source file of the crate, in the local file system.
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/// `None` means that there is no source file.
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pub local_crate_source_file: Option<PathBuf>,
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@ -694,17 +694,9 @@ impl Session {
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)
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}
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pub fn sysroot<'a>(&'a self) -> &'a Path {
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match self.opts.maybe_sysroot {
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Some(ref sysroot) => sysroot,
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None => self.default_sysroot
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.as_ref()
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.expect("missing sysroot and default_sysroot in Session"),
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}
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}
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pub fn target_filesearch(&self, kind: PathKind) -> filesearch::FileSearch<'_> {
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filesearch::FileSearch::new(
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self.sysroot(),
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&self.sysroot,
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self.opts.target_triple.triple(),
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&self.opts.search_paths,
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kind,
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@ -712,7 +704,7 @@ impl Session {
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}
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pub fn host_filesearch(&self, kind: PathKind) -> filesearch::FileSearch<'_> {
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filesearch::FileSearch::new(
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self.sysroot(),
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&self.sysroot,
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config::host_triple(),
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&self.opts.search_paths,
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kind,
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@ -1109,9 +1101,9 @@ pub fn build_session_(
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let target_cfg = config::build_target_config(&sopts, &span_diagnostic);
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let p_s = parse::ParseSess::with_span_handler(span_diagnostic, source_map);
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let default_sysroot = match sopts.maybe_sysroot {
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Some(_) => None,
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None => Some(filesearch::get_or_default_sysroot()),
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let sysroot = match &sopts.maybe_sysroot {
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Some(sysroot) => sysroot.clone(),
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None => filesearch::get_or_default_sysroot(),
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};
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let file_path_mapping = sopts.file_path_mapping();
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@ -1147,7 +1139,7 @@ pub fn build_session_(
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entry_fn: Once::new(),
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plugin_registrar_fn: Once::new(),
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proc_macro_decls_static: Once::new(),
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default_sysroot,
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sysroot,
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local_crate_source_file,
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working_dir,
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lint_store: RwLock::new(lint::LintStore::new()),
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@ -1024,11 +1024,10 @@ fn link_args(cmd: &mut dyn Linker,
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// where extern libraries might live, based on the
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// addl_lib_search_paths
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if sess.opts.cg.rpath {
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let sysroot = sess.sysroot();
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let target_triple = sess.opts.target_triple.triple();
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let mut get_install_prefix_lib_path = || {
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let install_prefix = option_env!("CFG_PREFIX").expect("CFG_PREFIX");
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let tlib = filesearch::relative_target_lib_path(sysroot, target_triple);
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let tlib = filesearch::relative_target_lib_path(&sess.sysroot, target_triple);
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let mut path = PathBuf::from(install_prefix);
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path.push(&tlib);
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@ -606,8 +606,7 @@ impl<'a> Linker for MsvcLinker<'a> {
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self.cmd.arg("/DEBUG");
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// This will cause the Microsoft linker to embed .natvis info into the PDB file
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let sysroot = self.sess.sysroot();
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let natvis_dir_path = sysroot.join("lib\\rustlib\\etc");
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let natvis_dir_path = self.sess.sysroot.join("lib\\rustlib\\etc");
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if let Ok(natvis_dir) = fs::read_dir(&natvis_dir_path) {
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// LLVM 5.0.0's lld-link frontend doesn't yet recognize, and chokes
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// on, the /NATVIS:... flags. LLVM 6 (or earlier) should at worst ignore
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@ -1042,7 +1042,7 @@ impl RustcDefaultCalls {
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targets.sort();
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println!("{}", targets.join("\n"));
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},
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Sysroot => println!("{}", sess.sysroot().display()),
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Sysroot => println!("{}", sess.sysroot.display()),
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TargetSpec => println!("{}", sess.target.target.to_json().pretty()),
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FileNames | CrateName => {
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let input = input.unwrap_or_else(||
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@ -678,7 +678,7 @@ impl<'a> Context<'a> {
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// candidates are all canonicalized, so we canonicalize the sysroot
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// as well.
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if let Some((ref prev, _)) = ret {
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let sysroot = self.sess.sysroot();
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let sysroot = &self.sess.sysroot;
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let sysroot = sysroot.canonicalize()
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.unwrap_or_else(|_| sysroot.to_path_buf());
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if prev.starts_with(&sysroot) {
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