1 files changed, 44 insertions, 0 deletions
diff --git a/vendor/zerovec-derive/src/lib.rs b/vendor/zerovec-derive/src/lib.rs
new file mode 100644
index 000000000..5a0de6429
--- /dev/null
+++ b/vendor/zerovec-derive/src/lib.rs
@@ -0,0 +1,44 @@
+// 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 ).
+
+//! Proc macros for generating `ULE`, `VarULE` impls and types for the `zerovec` crate
+
+use proc_macro::TokenStream;
+use syn::{parse_macro_input, AttributeArgs, DeriveInput};
+
+mod make_ule;
+mod make_varule;
+pub(crate) mod ule;
+mod utils;
+mod varule;
+
+/// Full docs for this proc macro can be found on the [`zerovec`](docs.rs/zerovec) crate.
+#[proc_macro_derive(ULE)]
+pub fn ule_derive(input: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(input as DeriveInput);
+    TokenStream::from(ule::derive_impl(&input))
+}
+
+/// Full docs for this proc macro can be found on the [`zerovec`](docs.rs/zerovec) crate.
+#[proc_macro_derive(VarULE)]
+pub fn varule_derive(input: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(input as DeriveInput);
+    TokenStream::from(varule::derive_impl(&input, None))
+}
+
+/// Full docs for this proc macro can be found on the [`zerovec`](docs.rs/zerovec) crate.
+#[proc_macro_attribute]
+pub fn make_ule(attr: TokenStream, item: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(item as DeriveInput);
+    let attr = parse_macro_input!(attr as AttributeArgs);
+    TokenStream::from(make_ule::make_ule_impl(attr, input))
+}
+
+/// Full docs for this proc macro can be found on the [`zerovec`](docs.rs/zerovec) crate.
+#[proc_macro_attribute]
+pub fn make_varule(attr: TokenStream, item: TokenStream) -> TokenStream {
+    let input = parse_macro_input!(item as DeriveInput);
+    let attr = parse_macro_input!(attr as AttributeArgs);
+    TokenStream::from(make_varule::make_varule_impl(attr, input))
+}