Implement built-in attribute macro #[cfg_eval]

2021-03-06 21:33:02 +03:00
parent 069e612e73
commit 5dad6c2575
11 changed files with 259 additions and 0 deletions
--- a/compiler/rustc_builtin_macros/src/lib.rs
+++ b/compiler/rustc_builtin_macros/src/lib.rs
@@ -24,6 +24,7 @@ mod asm;
 mod assert;
 mod cfg;
 mod cfg_accessible;
+mod cfg_eval;
 mod compile_error;
 mod concat;
 mod concat_idents;
@@ -89,6 +90,7 @@ pub fn register_builtin_macros(resolver: &mut dyn ResolverExpand) {
    register_attr! {
        bench: test::expand_bench,
        cfg_accessible: cfg_accessible::Expander,
+        cfg_eval: cfg_eval::expand,
        derive: derive::Expander,
        global_allocator: global_allocator::expand,
        test: test::expand_test,