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| author | Vadim Petrochenkov <vadim.petrochenkov@gmail.com> | 2019-06-20 11:52:31 +0300 |
|---|---|---|
| committer | Vadim Petrochenkov <vadim.petrochenkov@gmail.com> | 2019-07-26 13:09:54 +0300 |
| commit | 8eaf17bca2674293eba0ea10056d5c77b6352086 (patch) | |
| tree | a726739d50e26b0142be28425b154446f43e4fe5 /src/libsyntax_ext/proc_macro_decls.rs | |
| parent | 4268e7ee22935f086b856ef0063a9e22b49aeddb (diff) | |
| download | rust-8eaf17bca2674293eba0ea10056d5c77b6352086.tar.gz rust-8eaf17bca2674293eba0ea10056d5c77b6352086.zip | |
Introduce built-in macros through libcore
Diffstat (limited to 'src/libsyntax_ext/proc_macro_decls.rs')
| -rw-r--r-- | src/libsyntax_ext/proc_macro_decls.rs | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/src/libsyntax_ext/proc_macro_decls.rs b/src/libsyntax_ext/proc_macro_decls.rs index 08c40dde56c..303d5f00deb 100644 --- a/src/libsyntax_ext/proc_macro_decls.rs +++ b/src/libsyntax_ext/proc_macro_decls.rs @@ -1,7 +1,5 @@ use std::mem; -use crate::deriving; - use syntax::ast::{self, Ident}; use syntax::attr; use syntax::source_map::{ExpnInfo, ExpnKind, respan}; @@ -136,10 +134,6 @@ impl<'a> CollectProcMacros<'a> { self.handler.span_err(trait_attr.span, &format!("`{}` cannot be a name of derive macro", trait_ident)); } - if deriving::is_builtin_trait(trait_ident.name) { - self.handler.span_err(trait_attr.span, - "cannot override a built-in derive macro"); - } let attributes_attr = list.get(1); let proc_attrs: Vec<_> = if let Some(attr) = attributes_attr { |