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`.

1 files changed, 7 insertions, 7 deletions

diff --git a/compiler/rustc_attr/src/builtin.rs b/compiler/rustc_attr/src/builtin.rs
index f414ff746bb..6adfc57c095 100644
--- a/compiler/rustc_attr/src/builtin.rs
+++ b/compiler/rustc_attr/src/builtin.rs
@@ -524,9 +524,9 @@ pub fn cfg_matches(
 ) -> bool {
     eval_condition(cfg, sess, features, &mut |cfg| {
         try_gate_cfg(cfg.name, cfg.span, sess, features);
-        match sess.parse_sess.check_config.expecteds.get(&cfg.name) {
+        match sess.psess.check_config.expecteds.get(&cfg.name) {
             Some(ExpectedValues::Some(values)) if !values.contains(&cfg.value) => {
-                sess.parse_sess.buffer_lint_with_diagnostic(
+                sess.psess.buffer_lint_with_diagnostic(
                     UNEXPECTED_CFGS,
                     cfg.span,
                     lint_node_id,
@@ -541,8 +541,8 @@ pub fn cfg_matches(
                     ),
                 );
             }
-            None if sess.parse_sess.check_config.exhaustive_names => {
-                sess.parse_sess.buffer_lint_with_diagnostic(
+            None if sess.psess.check_config.exhaustive_names => {
+                sess.psess.buffer_lint_with_diagnostic(
                     UNEXPECTED_CFGS,
                     cfg.span,
                     lint_node_id,
@@ -555,7 +555,7 @@ pub fn cfg_matches(
             }
             _ => { /* not unexpected */ }
         }
-        sess.parse_sess.config.contains(&(cfg.name, cfg.value))
+        sess.psess.config.contains(&(cfg.name, cfg.value))
     })
 }
 
@@ -598,7 +598,7 @@ pub fn eval_condition(
     features: Option<&Features>,
     eval: &mut impl FnMut(Condition) -> bool,
 ) -> bool {
-    let dcx = &sess.parse_sess.dcx;
+    let dcx = &sess.psess.dcx;
     match &cfg.kind {
         ast::MetaItemKind::List(mis) if cfg.name_or_empty() == sym::version => {
             try_gate_cfg(sym::version, cfg.span, sess, features);
@@ -626,7 +626,7 @@ pub fn eval_condition(
             };
 
             // See https://github.com/rust-lang/rust/issues/64796#issuecomment-640851454 for details
-            if sess.parse_sess.assume_incomplete_release {
+            if sess.psess.assume_incomplete_release {
                 RustcVersion::CURRENT > min_version
             } else {
                 RustcVersion::CURRENT >= min_version