tree-wide: parallel: Fully removed all Lrc, replaced with Arc

compiler/rustc_span/src/lib.rs

@@ -83,11 +83,12 @@ use std::io::{self, Read};
 use std::ops::{Add, Range, Sub};
 use std::path::{Path, PathBuf};
 use std::str::FromStr;
+use std::sync::Arc;
 use std::{fmt, iter};
 
 use md5::{Digest, Md5};
 use rustc_data_structures::stable_hasher::{Hash64, Hash128, HashStable, StableHasher};
-use rustc_data_structures::sync::{FreezeLock, FreezeWriteGuard, Lock, Lrc};
+use rustc_data_structures::sync::{FreezeLock, FreezeWriteGuard, Lock};
 use rustc_data_structures::unord::UnordMap;
 use sha1::Sha1;
 use sha2::Sha256;
@@ -110,7 +111,7 @@ pub struct SessionGlobals {
     /// The session's source map, if there is one. This field should only be
     /// used in places where the `Session` is truly not available, such as
     /// `<Span as Debug>::fmt`.
-    source_map: Option<Lrc<SourceMap>>,
+    source_map: Option<Arc<SourceMap>>,
 }
 
 impl SessionGlobals {
@@ -120,7 +121,7 @@ impl SessionGlobals {
             span_interner: Lock::new(span_encoding::SpanInterner::default()),
             metavar_spans: Default::default(),
             hygiene_data: Lock::new(hygiene::HygieneData::new(edition)),
-            source_map: sm_inputs.map(|inputs| Lrc::new(SourceMap::with_inputs(inputs))),
+            source_map: sm_inputs.map(|inputs| Arc::new(SourceMap::with_inputs(inputs))),
         }
     }
 }
@@ -1430,7 +1431,7 @@ pub enum ExternalSource {
 #[derive(PartialEq, Eq, Clone, Debug)]
 pub enum ExternalSourceKind {
     /// The external source has been loaded already.
-    Present(Lrc<String>),
+    Present(Arc<String>),
     /// No attempt has been made to load the external source.
     AbsentOk,
     /// A failed attempt has been made to load the external source.
@@ -1670,7 +1671,7 @@ pub struct SourceFile {
     /// (e.g., `<anon>`).
     pub name: FileName,
     /// The complete source code.
-    pub src: Option<Lrc<String>>,
+    pub src: Option<Arc<String>>,
     /// The source code's hash.
     pub src_hash: SourceFileHash,
     /// Used to enable cargo to use checksums to check if a crate is fresh rather
@@ -1931,7 +1932,7 @@ impl SourceFile {
 
         Ok(SourceFile {
             name,
-            src: Some(Lrc::new(src)),
+            src: Some(Arc::new(src)),
             src_hash,
             checksum_hash,
             external_src: FreezeLock::frozen(ExternalSource::Unneeded),
@@ -2050,7 +2051,7 @@ impl SourceFile {
                 } = &mut *external_src
                 {
                     *src_kind = if let Some(src) = src {
-                        ExternalSourceKind::Present(Lrc::new(src))
+                        ExternalSourceKind::Present(Arc::new(src))
                     } else {
                         ExternalSourceKind::AbsentErr
                     };
@@ -2490,7 +2491,7 @@ impl<D: Decoder> Decodable<D> for RelativeBytePos {
 #[derive(Debug, Clone)]
 pub struct Loc {
     /// Information about the original source.
-    pub file: Lrc<SourceFile>,
+    pub file: Arc<SourceFile>,
     /// The (1-based) line number.
     pub line: usize,
     /// The (0-based) column offset.
@@ -2502,13 +2503,13 @@ pub struct Loc {
 // Used to be structural records.
 #[derive(Debug)]
 pub struct SourceFileAndLine {
-    pub sf: Lrc<SourceFile>,
+    pub sf: Arc<SourceFile>,
     /// Index of line, starting from 0.
     pub line: usize,
 }
 #[derive(Debug)]
 pub struct SourceFileAndBytePos {
-    pub sf: Lrc<SourceFile>,
+    pub sf: Arc<SourceFile>,
     pub pos: BytePos,
 }
 
@@ -2525,7 +2526,7 @@ pub struct LineInfo {
 }
 
 pub struct FileLines {
-    pub file: Lrc<SourceFile>,
+    pub file: Arc<SourceFile>,
     pub lines: Vec<LineInfo>,
 }
 
@@ -2591,7 +2592,7 @@ pub trait HashStableContext {
     fn span_data_to_lines_and_cols(
         &mut self,
         span: &SpanData,
-    ) -> Option<(Lrc<SourceFile>, usize, BytePos, usize, BytePos)>;
+    ) -> Option<(Arc<SourceFile>, usize, BytePos, usize, BytePos)>;
     fn hashing_controls(&self) -> HashingControls;
 }