Rename all `ParseSess` variables/fields/lifetimes as `psess`.

Existing names for values of this type are `sess`, `parse_sess`,
`parse_session`, and `ps`. `sess` is particularly annoying because
that's also used for `Session` values, which are often co-located, and
it can be difficult to know which type a value named `sess` refers to.
(That annoyance is the main motivation for this change.) `psess` is nice
and short, which is good for a name used this much.

The commit also renames some `parse_sess_created` values as
`psess_created`.

3 files changed, 3 insertions, 3 deletions

diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs
index f65fe1a29c7..8b48570fbba 100644
--- a/compiler/rustc_metadata/src/creader.rs
+++ b/compiler/rustc_metadata/src/creader.rs
@@ -971,7 +971,7 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> {
                 continue;
             }
 
-            self.sess.parse_sess.buffer_lint(
+            self.sess.psess.buffer_lint(
                     lint::builtin::UNUSED_CRATE_DEPENDENCIES,
                     span,
                     ast::CRATE_NODE_ID,
diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs
index e7c80639a0d..09cb6b9fa0a 100644
--- a/compiler/rustc_metadata/src/rmeta/decoder.rs
+++ b/compiler/rustc_metadata/src/rmeta/decoder.rs
@@ -420,7 +420,7 @@ impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for ExpnIndex {
 impl<'a, 'tcx> SpanDecoder for DecodeContext<'a, 'tcx> {
     fn decode_attr_id(&mut self) -> rustc_span::AttrId {
         let sess = self.sess.expect("can't decode AttrId without Session");
-        sess.parse_sess.attr_id_generator.mk_attr_id()
+        sess.psess.attr_id_generator.mk_attr_id()
     }
 
     fn decode_crate_num(&mut self) -> CrateNum {
diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs
index fdb2b4f2024..7d3f84060f6 100644
--- a/compiler/rustc_metadata/src/rmeta/encoder.rs
+++ b/compiler/rustc_metadata/src/rmeta/encoder.rs
@@ -1789,7 +1789,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
             let stability = tcx.lookup_stability(CRATE_DEF_ID);
             let macros =
                 self.lazy_array(tcx.resolutions(()).proc_macros.iter().map(|p| p.local_def_index));
-            for (i, span) in self.tcx.sess.parse_sess.proc_macro_quoted_spans() {
+            for (i, span) in self.tcx.sess.psess.proc_macro_quoted_spans() {
                 let span = self.lazy(span);
                 self.tables.proc_macro_quoted_spans.set_some(i, span);
             }