syntax: #[allow_internal_unsafe] bypasses the unsafe_code lint in macros.

2 files changed, 13 insertions, 2 deletions

diff --git a/src/libsyntax_ext/lib.rs b/src/libsyntax_ext/lib.rs
index 5eab81dd28f..439538a8b5e 100644
--- a/src/libsyntax_ext/lib.rs
+++ b/src/libsyntax_ext/lib.rs
@@ -64,7 +64,12 @@ pub fn register_builtins(resolver: &mut syntax::ext::base::Resolver,
     macro_rules! register {
         ($( $name:ident: $f:expr, )*) => { $(
             register(Symbol::intern(stringify!($name)),
-                     NormalTT(Box::new($f as MacroExpanderFn), None, false));
+                     NormalTT {
+                        expander: Box::new($f as MacroExpanderFn),
+                        def_info: None,
+                        allow_internal_unstable: false,
+                        allow_internal_unsafe: false,
+                    });
         )* }
     }
 
@@ -112,7 +117,12 @@ pub fn register_builtins(resolver: &mut syntax::ext::base::Resolver,
 
     // format_args uses `unstable` things internally.
     register(Symbol::intern("format_args"),
-             NormalTT(Box::new(format::expand_format_args), None, true));
+             NormalTT {
+                expander: Box::new(format::expand_format_args),
+                def_info: None,
+                allow_internal_unstable: true,
+                allow_internal_unsafe: false,
+            });
 
     for (name, ext) in user_exts {
         register(name, ext);
diff --git a/src/libsyntax_ext/proc_macro_registrar.rs b/src/libsyntax_ext/proc_macro_registrar.rs
index ab6d73e5061..700386f68fe 100644
--- a/src/libsyntax_ext/proc_macro_registrar.rs
+++ b/src/libsyntax_ext/proc_macro_registrar.rs
@@ -368,6 +368,7 @@ fn mk_registrar(cx: &mut ExtCtxt,
             format: MacroAttribute(Symbol::intern("proc_macro")),
             span: None,
             allow_internal_unstable: true,
+            allow_internal_unsafe: false,
         }
     });
     let span = Span { ctxt: SyntaxContext::empty().apply_mark(mark), ..DUMMY_SP };