Auto merge of #51726 - petrochenkov:hygclean, r=oli-obk

expansion/hygiene: Some renaming, refactoring and comments

Pure refactoring, no functional changes.
Commits are isolated and self-descriptive.

2 files changed, 8 insertions, 10 deletions

diff --git a/src/libsyntax_ext/deriving/mod.rs b/src/libsyntax_ext/deriving/mod.rs
index 6ff385b18e8..e6a1434ca9d 100644
--- a/src/libsyntax_ext/deriving/mod.rs
+++ b/src/libsyntax_ext/deriving/mod.rs
@@ -157,11 +157,11 @@ fn call_intrinsic(cx: &ExtCtxt,
                   intrinsic: &str,
                   args: Vec<P<ast::Expr>>)
                   -> P<ast::Expr> {
-    if cx.current_expansion.mark.expn_info().unwrap().callee.allow_internal_unstable {
+    if cx.current_expansion.mark.expn_info().unwrap().allow_internal_unstable {
         span = span.with_ctxt(cx.backtrace());
     } else { // Avoid instability errors with user defined curstom derives, cc #36316
         let mut info = cx.current_expansion.mark.expn_info().unwrap();
-        info.callee.allow_internal_unstable = true;
+        info.allow_internal_unstable = true;
         let mark = Mark::fresh(Mark::root());
         mark.set_expn_info(info);
         span = span.with_ctxt(SyntaxContext::empty().apply_mark(mark));
diff --git a/src/libsyntax_ext/proc_macro_registrar.rs b/src/libsyntax_ext/proc_macro_registrar.rs
index 3593165023a..ee343e47bd8 100644
--- a/src/libsyntax_ext/proc_macro_registrar.rs
+++ b/src/libsyntax_ext/proc_macro_registrar.rs
@@ -14,7 +14,7 @@ use errors;
 
 use syntax::ast::{self, Ident, NodeId};
 use syntax::attr;
-use syntax::codemap::{ExpnInfo, NameAndSpan, MacroAttribute, hygiene, respan};
+use syntax::codemap::{ExpnInfo, MacroAttribute, hygiene, respan};
 use syntax::ext::base::ExtCtxt;
 use syntax::ext::build::AstBuilder;
 use syntax::ext::expand::ExpansionConfig;
@@ -364,13 +364,11 @@ fn mk_registrar(cx: &mut ExtCtxt,
     let mark = Mark::fresh(Mark::root());
     mark.set_expn_info(ExpnInfo {
         call_site: DUMMY_SP,
-        callee: NameAndSpan {
-            format: MacroAttribute(Symbol::intern("proc_macro")),
-            span: None,
-            allow_internal_unstable: true,
-            allow_internal_unsafe: false,
-            edition: hygiene::default_edition(),
-        }
+        def_site: None,
+        format: MacroAttribute(Symbol::intern("proc_macro")),
+        allow_internal_unstable: true,
+        allow_internal_unsafe: false,
+        edition: hygiene::default_edition(),
     });
     let span = DUMMY_SP.apply_mark(mark);