diff options
Diffstat (limited to 'src/libsyntax/feature_gate.rs')
| -rw-r--r-- | src/libsyntax/feature_gate.rs | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs index 3f4ee834256..a7a29edf0a0 100644 --- a/src/libsyntax/feature_gate.rs +++ b/src/libsyntax/feature_gate.rs @@ -83,10 +83,14 @@ macro_rules! declare_features { } pub fn use_extern_macros(&self) -> bool { - // The `decl_macro`, `tool_attributes` and `custom_attributes` - // features imply `use_extern_macros`. + // A number of "advanced" macro features enable + // macro modularization (`use_extern_macros`) implicitly. self.use_extern_macros || self.decl_macro || - self.tool_attributes || self.custom_attribute + self.tool_attributes || self.custom_attribute || + self.macros_in_extern || self.proc_macro_path_invoc || + self.proc_macro_mod || self.proc_macro_expr || + self.proc_macro_non_items || self.proc_macro_gen || + self.stmt_expr_attributes } } }; @@ -700,7 +704,7 @@ pub fn is_builtin_attr_name(name: ast::Name) -> bool { } pub fn is_builtin_attr(attr: &ast::Attribute) -> bool { - BUILTIN_ATTRIBUTES.iter().any(|&(builtin_name, _, _)| attr.check_name(builtin_name)) || + BUILTIN_ATTRIBUTES.iter().any(|&(builtin_name, _, _)| attr.path == builtin_name) || attr.name().as_str().starts_with("rustc_") } |