Delete ProcessCfgMod

The previous commit removes the use of this, and now we cleanup.

1 files changed, 5 insertions, 19 deletions

diff --git a/src/libsyntax/sess.rs b/src/libsyntax/sess.rs
index 953f0d1d190..740e9dfe459 100644
--- a/src/libsyntax/sess.rs
+++ b/src/libsyntax/sess.rs
@@ -1,7 +1,7 @@
 //! Contains `ParseSess` which holds state living beyond what one `Parser` might.
 //! It also serves as an input to the parser itself.
 
-use crate::ast::{CrateConfig, NodeId, Attribute};
+use crate::ast::{CrateConfig, NodeId};
 use crate::early_buffered_lints::{BufferedEarlyLint, BufferedEarlyLintId};
 use crate::source_map::{SourceMap, FilePathMapping};
 use crate::feature_gate::UnstableFeatures;
@@ -89,22 +89,10 @@ pub struct ParseSess {
     pub gated_spans: GatedSpans,
     /// The parser has reached `Eof` due to an unclosed brace. Used to silence unnecessary errors.
     pub reached_eof: Lock<bool>,
-    /// Process the potential `cfg` attributes on a module.
-    /// Also determine if the module should be included in this configuration.
-    ///
-    /// HACK(Centril): This is used to break a cyclic dependency between
-    /// the parser and cfg-stripping as defined in `syntax_expand::config`.
-    /// The dependency edge from the parser comes from `parse_item_mod`.
-    /// A principled solution to this hack would be to implement [#64197].
-    ///
-    /// [#64197]: https://github.com/rust-lang/rust/issues/64197
-    pub process_cfg_mod: ProcessCfgMod,
 }
 
-pub type ProcessCfgMod = fn(&ParseSess, bool, &[Attribute]) -> (bool, Vec<Attribute>);
-
 impl ParseSess {
-    pub fn new(file_path_mapping: FilePathMapping, process_cfg_mod: ProcessCfgMod) -> Self {
+    pub fn new(file_path_mapping: FilePathMapping) -> Self {
         let cm = Lrc::new(SourceMap::new(file_path_mapping));
         let handler = Handler::with_tty_emitter(
             ColorConfig::Auto,
@@ -112,17 +100,15 @@ impl ParseSess {
             None,
             Some(cm.clone()),
         );
-        ParseSess::with_span_handler(handler, cm, process_cfg_mod)
+        ParseSess::with_span_handler(handler, cm)
     }
 
     pub fn with_span_handler(
         handler: Handler,
         source_map: Lrc<SourceMap>,
-        process_cfg_mod: ProcessCfgMod,
     ) -> Self {
         Self {
             span_diagnostic: handler,
-            process_cfg_mod,
             unstable_features: UnstableFeatures::from_environment(),
             config: FxHashSet::default(),
             edition: ExpnId::root().expn_data().edition,
@@ -138,10 +124,10 @@ impl ParseSess {
         }
     }
 
-    pub fn with_silent_emitter(process_cfg_mod: ProcessCfgMod) -> Self {
+    pub fn with_silent_emitter() -> Self {
         let cm = Lrc::new(SourceMap::new(FilePathMapping::empty()));
         let handler = Handler::with_emitter(false, None, Box::new(SilentEmitter));
-        ParseSess::with_span_handler(handler, cm, process_cfg_mod)
+        ParseSess::with_span_handler(handler, cm)
     }
 
     #[inline]