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authorbjorn3 <bjorn3@users.noreply.github.com>2021-05-31 15:17:04 +0200
committerbjorn3 <bjorn3@users.noreply.github.com>2021-06-08 19:24:15 +0200
commit86b3ebe2da46081b58a1f6208eb0f9c3ac4f3ec0 (patch)
treed7c2fa41b8d2f94a7d876d4890bda285a72fdf12 /compiler/rustc_data_structures/src
parent8f397bc8a0d8f2569d9aec7ad787b484c4b147e4 (diff)
downloadrust-86b3ebe2da46081b58a1f6208eb0f9c3ac4f3ec0.tar.gz
rust-86b3ebe2da46081b58a1f6208eb0f9c3ac4f3ec0.zip
Inline box_region macro calls
Diffstat (limited to 'compiler/rustc_data_structures/src')
-rw-r--r--compiler/rustc_data_structures/src/box_region.rs80
1 files changed, 0 insertions, 80 deletions
diff --git a/compiler/rustc_data_structures/src/box_region.rs b/compiler/rustc_data_structures/src/box_region.rs
index 2f212b03e08..a1a757b7054 100644
--- a/compiler/rustc_data_structures/src/box_region.rs
+++ b/compiler/rustc_data_structures/src/box_region.rs
@@ -78,83 +78,3 @@ pub enum YieldType<I, A> {
     Initial(I),
     Accessor(Marker<A>),
 }
-
-#[macro_export]
-#[allow_internal_unstable(fn_traits)]
-macro_rules! declare_box_region_type {
-    ($v:vis $name: ident, ($($args:ty),*) -> ($reti:ty, $retc:ty)) => {
-        $v struct $name($crate::box_region::PinnedGenerator<
-            $reti,
-            fn(($($args,)*)),
-            $retc
-        >);
-
-        impl $name {
-            fn new<T>(generator: T) -> ($reti, Self)
-            where T: ::std::ops::Generator<
-                $crate::box_region::Action,
-                Yield = $crate::box_region::YieldType<$reti, fn(($($args,)*))>,
-                Return = $retc,
-            > + 'static {
-                let (initial, pinned) = $crate::box_region::PinnedGenerator::new(generator);
-                (initial, $name(pinned))
-            }
-
-            $v fn access<F: FnOnce($($args,)*) -> R, R>(&mut self, f: F) -> R {
-                // Turn the FnOnce closure into *mut dyn FnMut()
-                // so we can pass it in to the generator
-                let mut r = None;
-                let mut f = Some(f);
-                let mut_f: &mut dyn FnMut(($($args,)*)) =
-                    &mut |args| {
-                        let f = f.take().unwrap();
-                        r = Some(FnOnce::call_once(f, args));
-                };
-                let mut_f = mut_f as *mut dyn FnMut(($($args,)*));
-
-                // Get the generator to call our closure
-                unsafe {
-                    self.0.access(::std::mem::transmute(mut_f));
-                }
-
-                // Unwrap the result
-                r.unwrap()
-            }
-
-            $v fn complete(mut self) -> $retc {
-                self.0.complete()
-            }
-
-            fn initial_yield(
-                value: $reti,
-            ) -> $crate::box_region::YieldType<$reti, fn(($($args,)*))> {
-                $crate::box_region::YieldType::Initial(value)
-            }
-        }
-    };
-}
-
-#[macro_export]
-#[allow_internal_unstable(fn_traits)]
-macro_rules! box_region_allow_access {
-    (($($args:ty),*), ($($exprs:expr),*), $action:ident) => {
-        loop {
-            match $action {
-                $crate::box_region::Action::Access(accessor) => {
-                    let accessor: &mut dyn FnMut($($args),*) = unsafe {
-                        ::std::mem::transmute(accessor.get())
-                    };
-                    (*accessor)(($($exprs),*));
-                    unsafe {
-                        let marker = $crate::box_region::Marker::<
-                            fn(($($args,)*))
-                        >::new();
-                        $action = yield $crate::box_region::YieldType::Accessor(marker);
-                    };
-                }
-                $crate::box_region::Action::Complete => break,
-                $crate::box_region::Action::Initial => panic!("unexpected box_region action: Initial"),
-            }
-        }
-    }
-}