diff options
| author | Austin Bonander <austin.bonander@gmail.com> | 2018-03-15 23:20:56 -0700 |
|---|---|---|
| committer | Austin Bonander <austin.bonander@gmail.com> | 2018-04-02 01:56:12 -0700 |
| commit | 7c0124dd357650acb9b7115a408712ea281d8d22 (patch) | |
| tree | 496bfd1527c0c074eb6a7b0d9e1b5c0dfe338f5b /src/libsyntax_ext | |
| parent | 517f24025a04e09936a6d07dc5298ca2b9371329 (diff) | |
| download | rust-7c0124dd357650acb9b7115a408712ea281d8d22.tar.gz rust-7c0124dd357650acb9b7115a408712ea281d8d22.zip | |
Expand attribute macros on statements and expressions.
Retains the `stmt_expr_attributes` feature requirement for attributes on expressions. closes #41475 cc #38356
Diffstat (limited to 'src/libsyntax_ext')
| -rw-r--r-- | src/libsyntax_ext/deriving/custom.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libsyntax_ext/deriving/custom.rs b/src/libsyntax_ext/deriving/custom.rs index 22e78e9b426..80557078d54 100644 --- a/src/libsyntax_ext/deriving/custom.rs +++ b/src/libsyntax_ext/deriving/custom.rs @@ -54,7 +54,9 @@ impl MultiItemModifier for ProcMacroDerive { let item = match item { Annotatable::Item(item) => item, Annotatable::ImplItem(_) | - Annotatable::TraitItem(_) => { + Annotatable::TraitItem(_) | + Annotatable::Stmt(_) | + Annotatable::Expr(_) => { ecx.span_err(span, "proc-macro derives may only be \ applied to struct/enum items"); return Vec::new() |