rustc_metadata: Privatize all fields of `CrateRoot`
All of them are read-only
This commit is contained in:
parent
765133ac2e
commit
a9cef4945f
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@ -47,9 +47,9 @@ pub struct CrateLoader<'a> {
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fn dump_crates(cstore: &CStore) {
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info!("resolved crates:");
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cstore.iter_crate_data(|cnum, data| {
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info!(" name: {}", data.root.name);
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info!(" name: {}", data.root.name());
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info!(" cnum: {}", cnum);
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info!(" hash: {}", data.root.hash);
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info!(" hash: {}", data.root.hash());
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info!(" reqd: {:?}", data.dep_kind());
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let CrateSource { dylib, rlib, rmeta } = data.source();
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dylib.as_ref().map(|dl| info!(" dylib: {}", dl.0.display()));
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@ -101,10 +101,10 @@ impl<'a> CrateLoader<'a> {
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-> Option<CrateNum> {
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let mut ret = None;
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self.cstore.iter_crate_data(|cnum, data| {
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if data.root.name != name { return }
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if data.root.name() != name { return }
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match hash {
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Some(hash) if *hash == data.root.hash => { ret = Some(cnum); return }
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Some(hash) if *hash == data.root.hash() => { ret = Some(cnum); return }
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Some(..) => return,
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None => {}
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}
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@ -152,26 +152,26 @@ impl<'a> CrateLoader<'a> {
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span: Span,
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root: &CrateRoot<'_>) {
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// Check for (potential) conflicts with the local crate
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if self.local_crate_name == root.name &&
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self.sess.local_crate_disambiguator() == root.disambiguator {
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if self.local_crate_name == root.name() &&
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self.sess.local_crate_disambiguator() == root.disambiguator() {
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span_fatal!(self.sess, span, E0519,
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"the current crate is indistinguishable from one of its \
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dependencies: it has the same crate-name `{}` and was \
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compiled with the same `-C metadata` arguments. This \
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will result in symbol conflicts between the two.",
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root.name)
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root.name())
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}
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// Check for conflicts with any crate loaded so far
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self.cstore.iter_crate_data(|_, other| {
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if other.root.name == root.name && // same crate-name
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other.root.disambiguator == root.disambiguator && // same crate-disambiguator
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other.root.hash != root.hash { // but different SVH
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if other.root.name() == root.name() && // same crate-name
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other.root.disambiguator() == root.disambiguator() && // same crate-disambiguator
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other.root.hash() != root.hash() { // but different SVH
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span_fatal!(self.sess, span, E0523,
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"found two different crates with name `{}` that are \
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not distinguished by differing `-C metadata`. This \
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will result in symbol conflicts between the two.",
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root.name)
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root.name())
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}
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});
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}
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@ -189,14 +189,14 @@ impl<'a> CrateLoader<'a> {
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let Library { source, metadata } = lib;
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let crate_root = metadata.get_root();
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let host_hash = host_lib.as_ref().map(|lib| lib.metadata.get_root().hash);
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let host_hash = host_lib.as_ref().map(|lib| lib.metadata.get_root().hash());
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self.verify_no_symbol_conflicts(span, &crate_root);
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let private_dep = self.sess.opts.externs.get(&name.as_str())
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.map(|e| e.is_private_dep)
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.unwrap_or(false);
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info!("register crate `{}` (private_dep = {})", crate_root.name, private_dep);
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info!("register crate `{}` (private_dep = {})", crate_root.name(), private_dep);
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// Claim this crate number and cache it
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let cnum = self.cstore.alloc_new_crate_num();
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@ -207,7 +207,7 @@ impl<'a> CrateLoader<'a> {
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let root = if let Some(root) = root {
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root
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} else {
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crate_paths = CratePaths::new(crate_root.name, source.clone());
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crate_paths = CratePaths::new(crate_root.name(), source.clone());
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&crate_paths
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};
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@ -221,7 +221,7 @@ impl<'a> CrateLoader<'a> {
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None => (&source, &crate_root),
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};
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let dlsym_dylib = dlsym_source.dylib.as_ref().expect("no dylib for a proc-macro crate");
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Some(self.dlsym_proc_macros(&dlsym_dylib.0, dlsym_root.disambiguator, span))
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Some(self.dlsym_proc_macros(&dlsym_dylib.0, dlsym_root.disambiguator(), span))
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} else {
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None
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};
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@ -378,7 +378,7 @@ impl<'a> CrateLoader<'a> {
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if locator.triple == self.sess.opts.target_triple {
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let mut result = LoadResult::Loaded(library);
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self.cstore.iter_crate_data(|cnum, data| {
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if data.root.name == root.name && root.hash == data.root.hash {
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if data.root.name() == root.name() && root.hash() == data.root.hash() {
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assert!(locator.hash.is_none());
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info!("load success, going to previous cnum: {}", cnum);
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result = LoadResult::Previous(cnum);
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@ -494,13 +494,12 @@ impl<'a> CrateLoader<'a> {
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sym::needs_panic_runtime);
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self.cstore.iter_crate_data(|cnum, data| {
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needs_panic_runtime = needs_panic_runtime ||
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data.root.needs_panic_runtime;
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if data.root.panic_runtime {
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needs_panic_runtime = needs_panic_runtime || data.needs_panic_runtime();
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if data.is_panic_runtime() {
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// Inject a dependency from all #![needs_panic_runtime] to this
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// #![panic_runtime] crate.
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self.inject_dependency_if(cnum, "a panic runtime",
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&|data| data.root.needs_panic_runtime);
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&|data| data.needs_panic_runtime());
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runtime_found = runtime_found || data.dep_kind() == DepKind::Explicit;
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}
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});
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@ -536,11 +535,11 @@ impl<'a> CrateLoader<'a> {
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// Sanity check the loaded crate to ensure it is indeed a panic runtime
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// and the panic strategy is indeed what we thought it was.
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if !data.root.panic_runtime {
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if !data.is_panic_runtime() {
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self.sess.err(&format!("the crate `{}` is not a panic runtime",
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name));
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}
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if data.root.panic_strategy != desired_strategy {
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if data.panic_strategy() != desired_strategy {
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self.sess.err(&format!("the crate `{}` does not have the panic \
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strategy `{}`",
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name, desired_strategy.desc()));
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@ -548,7 +547,7 @@ impl<'a> CrateLoader<'a> {
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self.cstore.injected_panic_runtime = Some(cnum);
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self.inject_dependency_if(cnum, "a panic runtime",
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&|data| data.root.needs_panic_runtime);
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&|data| data.needs_panic_runtime());
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}
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fn inject_sanitizer_runtime(&mut self) {
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@ -622,7 +621,7 @@ impl<'a> CrateLoader<'a> {
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let mut uses_std = false;
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self.cstore.iter_crate_data(|_, data| {
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if data.root.name == sym::std {
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if data.root.name() == sym::std {
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uses_std = true;
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}
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});
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@ -640,7 +639,7 @@ impl<'a> CrateLoader<'a> {
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let data = self.cstore.get_crate_data(cnum);
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// Sanity check the loaded crate to ensure it is indeed a sanitizer runtime
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if !data.root.sanitizer_runtime {
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if !data.is_sanitizer_runtime() {
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self.sess.err(&format!("the crate `{}` is not a sanitizer runtime",
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name));
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}
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@ -661,7 +660,7 @@ impl<'a> CrateLoader<'a> {
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let data = self.cstore.get_crate_data(cnum);
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// Sanity check the loaded crate to ensure it is indeed a profiler runtime
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if !data.root.profiler_runtime {
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if !data.is_profiler_runtime() {
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self.sess.err(&format!("the crate `profiler_builtins` is not \
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a profiler runtime"));
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}
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@ -687,7 +686,7 @@ impl<'a> CrateLoader<'a> {
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let mut needs_allocator = attr::contains_name(&krate.attrs,
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sym::needs_allocator);
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self.cstore.iter_crate_data(|_, data| {
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needs_allocator = needs_allocator || data.root.needs_allocator;
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needs_allocator = needs_allocator || data.needs_allocator();
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});
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if !needs_allocator {
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self.cstore.allocator_kind = None;
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@ -723,7 +722,7 @@ impl<'a> CrateLoader<'a> {
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None
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};
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self.cstore.iter_crate_data(|_, data| {
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if !data.root.has_global_allocator {
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if !data.has_global_allocator() {
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return
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}
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match global_allocator {
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@ -732,14 +731,14 @@ impl<'a> CrateLoader<'a> {
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conflicts with this global \
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allocator in: {}",
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other_crate,
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data.root.name));
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data.root.name()));
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}
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Some(None) => {
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self.sess.err(&format!("the `#[global_allocator]` in this \
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crate conflicts with global \
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allocator in: {}", data.root.name));
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allocator in: {}", data.root.name()));
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}
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None => global_allocator = Some(Some(data.root.name)),
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None => global_allocator = Some(Some(data.root.name())),
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}
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});
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if global_allocator.is_some() {
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@ -753,7 +752,7 @@ impl<'a> CrateLoader<'a> {
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// attribute.
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let mut has_default = attr::contains_name(&krate.attrs, sym::default_lib_allocator);
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self.cstore.iter_crate_data(|_, data| {
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if data.root.has_default_lib_allocator {
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if data.has_default_lib_allocator() {
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has_default = true;
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}
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});
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@ -787,9 +786,9 @@ impl<'a> CrateLoader<'a> {
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self.sess.err(&format!("the crate `{}` cannot depend \
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on a crate that needs {}, but \
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it depends on `{}`",
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self.cstore.get_crate_data(krate).root.name,
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self.cstore.get_crate_data(krate).root.name(),
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what,
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data.root.name));
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data.root.name()));
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}
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}
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@ -597,7 +597,7 @@ impl<'a> CrateLocator<'a> {
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"multiple matching crates for `{}`",
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self.crate_name);
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let candidates = libraries.iter().filter_map(|(_, lib)| {
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let crate_name = &lib.metadata.get_root().name.as_str();
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let crate_name = &lib.metadata.get_root().name().as_str();
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match &(&lib.source.dylib, &lib.source.rlib) {
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&(&Some((ref pd, _)), &Some((ref pr, _))) => {
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Some(format!("\ncrate `{}`: {}\n{:>padding$}",
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@ -774,35 +774,36 @@ impl<'a> CrateLocator<'a> {
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}
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if self.exact_paths.is_empty() {
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if self.crate_name != root.name {
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if self.crate_name != root.name() {
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info!("Rejecting via crate name");
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return None;
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}
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}
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if root.triple != self.triple {
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if root.triple() != &self.triple {
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info!("Rejecting via crate triple: expected {} got {}",
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self.triple,
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root.triple);
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root.triple());
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self.rejected_via_triple.push(CrateMismatch {
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path: libpath.to_path_buf(),
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got: root.triple.to_string(),
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got: root.triple().to_string(),
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});
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return None;
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}
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if let Some(myhash) = self.hash {
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if *myhash != root.hash {
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info!("Rejecting via hash: expected {} got {}", *myhash, root.hash);
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let hash = root.hash();
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if let Some(&expected_hash) = self.hash {
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if hash != expected_hash {
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info!("Rejecting via hash: expected {} got {}", expected_hash, hash);
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self.rejected_via_hash.push(CrateMismatch {
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path: libpath.to_path_buf(),
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got: myhash.to_string(),
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got: hash.to_string(),
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});
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return None;
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}
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}
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Some(root.hash)
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Some(hash)
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}
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@ -1021,7 +1022,7 @@ pub fn find_plugin_registrar(
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match library.source.dylib {
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Some(dylib) => {
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Some((dylib.0, library.metadata.get_root().disambiguator))
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Some((dylib.0, library.metadata.get_root().disambiguator()))
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}
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None => {
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span_err!(sess, span, E0457,
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@ -558,6 +558,22 @@ impl CrateRoot<'_> {
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self.proc_macro_data.is_some()
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}
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crate fn name(&self) -> Symbol {
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self.name
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}
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crate fn disambiguator(&self) -> CrateDisambiguator {
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self.disambiguator
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}
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crate fn hash(&self) -> Svh {
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self.hash
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}
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crate fn triple(&self) -> &TargetTriple {
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&self.triple
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}
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crate fn decode_crate_deps(
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&self,
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metadata: &'a MetadataBlob,
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@ -1546,6 +1562,38 @@ impl<'a, 'tcx> CrateMetadata {
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crate fn update_dep_kind(&self, f: impl FnOnce(DepKind) -> DepKind) {
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self.dep_kind.with_lock(|dep_kind| *dep_kind = f(*dep_kind))
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}
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crate fn panic_strategy(&self) -> PanicStrategy {
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self.root.panic_strategy
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}
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crate fn needs_panic_runtime(&self) -> bool {
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self.root.needs_panic_runtime
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}
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crate fn is_panic_runtime(&self) -> bool {
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self.root.panic_runtime
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}
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crate fn is_sanitizer_runtime(&self) -> bool {
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self.root.sanitizer_runtime
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}
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crate fn is_profiler_runtime(&self) -> bool {
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self.root.profiler_runtime
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}
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crate fn needs_allocator(&self) -> bool {
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self.root.needs_allocator
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}
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crate fn has_global_allocator(&self) -> bool {
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self.root.has_global_allocator
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}
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crate fn has_default_lib_allocator(&self) -> bool {
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self.root.has_default_lib_allocator
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}
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}
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// Cannot be implemented on 'ProcMacro', as libproc_macro
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@ -173,16 +173,16 @@ macro_rules! Lazy {
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#[derive(RustcEncodable, RustcDecodable)]
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crate struct CrateRoot<'tcx> {
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pub name: Symbol,
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pub triple: TargetTriple,
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name: Symbol,
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triple: TargetTriple,
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extra_filename: String,
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pub hash: Svh,
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pub disambiguator: CrateDisambiguator,
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pub panic_strategy: PanicStrategy,
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hash: Svh,
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disambiguator: CrateDisambiguator,
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panic_strategy: PanicStrategy,
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edition: Edition,
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pub has_global_allocator: bool,
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has_global_allocator: bool,
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has_panic_handler: bool,
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pub has_default_lib_allocator: bool,
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has_default_lib_allocator: bool,
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plugin_registrar_fn: Option<DefIndex>,
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proc_macro_decls_static: Option<DefIndex>,
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proc_macro_stability: Option<attr::Stability>,
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@ -207,12 +207,12 @@ crate struct CrateRoot<'tcx> {
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proc_macro_data: Option<Lazy<[DefIndex]>>,
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compiler_builtins: bool,
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pub needs_allocator: bool,
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pub needs_panic_runtime: bool,
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needs_allocator: bool,
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needs_panic_runtime: bool,
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no_builtins: bool,
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pub panic_runtime: bool,
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pub profiler_runtime: bool,
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pub sanitizer_runtime: bool,
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panic_runtime: bool,
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profiler_runtime: bool,
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sanitizer_runtime: bool,
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symbol_mangling_version: SymbolManglingVersion,
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}
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