Merging upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 86 insertions, 0 deletions

diff --git a/vendor/zerovec/src/map/databake.rs b/vendor/zerovec/src/map/databake.rs
new file mode 100644
index 000000000..d98b48f9f
--- /dev/null
+++ b/vendor/zerovec/src/map/databake.rs
@@ -0,0 +1,86 @@
+// This file is part of ICU4X. For terms of use, please see the file
+// called LICENSE at the top level of the ICU4X source tree
+// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
+
+use crate::{maps::ZeroMapBorrowed, maps::ZeroMapKV, ZeroMap};
+use databake::*;
+
+impl<'a, K, V> Bake for ZeroMap<'a, K, V>
+where
+    K: ZeroMapKV<'a> + ?Sized,
+    V: ZeroMapKV<'a> + ?Sized,
+    K::Container: Bake,
+    V::Container: Bake,
+{
+    fn bake(&self, env: &CrateEnv) -> TokenStream {
+        env.insert("zerovec");
+        let keys = self.keys.bake(env);
+        let values = self.values.bake(env);
+        quote! { unsafe { #[allow(unused_unsafe)] ::zerovec::ZeroMap::from_parts_unchecked(#keys, #values) } }
+    }
+}
+
+impl<'a, K, V> Bake for ZeroMapBorrowed<'a, K, V>
+where
+    K: ZeroMapKV<'a> + ?Sized,
+    V: ZeroMapKV<'a> + ?Sized,
+    &'a K::Slice: Bake,
+    &'a V::Slice: Bake,
+{
+    fn bake(&self, env: &CrateEnv) -> TokenStream {
+        env.insert("zerovec");
+        let keys = self.keys.bake(env);
+        let values = self.values.bake(env);
+        quote! { unsafe { #[allow(unused_unsafe)] ::zerovec::maps::ZeroMapBorrowed::from_parts_unchecked(#keys, #values) } }
+    }
+}
+
+#[test]
+fn test_baked_map() {
+    test_bake!(
+        ZeroMap<str, str>,
+        const: unsafe {
+            #[allow(unused_unsafe)]
+            crate::ZeroMap::from_parts_unchecked(
+                unsafe {
+                    crate::VarZeroVec::from_bytes_unchecked(&[
+                        2u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 2u8, 0u8, 0u8, 0u8, 97u8,
+                        100u8, 98u8, 99u8,
+                    ])
+                },
+                unsafe {
+                    crate::VarZeroVec::from_bytes_unchecked(&[
+                        2u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 4u8, 0u8, 0u8, 0u8, 69u8, 82u8,
+                        65u8, 49u8, 69u8, 82u8, 65u8, 48u8,
+                    ])
+                },
+            )
+        },
+        zerovec
+    );
+}
+
+#[test]
+fn test_baked_borrowed_map() {
+    test_bake!(
+        ZeroMapBorrowed<str, str>,
+        const: unsafe {
+            #[allow(unused_unsafe)]
+            crate::maps::ZeroMapBorrowed::from_parts_unchecked(
+                unsafe {
+                    crate::VarZeroSlice::from_bytes_unchecked(&[
+                        2u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 2u8, 0u8, 0u8, 0u8, 97u8,
+                        100u8, 98u8, 99u8,
+                    ])
+                },
+                unsafe {
+                    crate::VarZeroSlice::from_bytes_unchecked(&[
+                        2u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 0u8, 4u8, 0u8, 0u8, 0u8, 69u8, 82u8,
+                        65u8, 49u8, 69u8, 82u8, 65u8, 48u8,
+                    ])
+                },
+            )
+        },
+        zerovec
+    );
+}