auto merge of #15421 : catharsis/rust/doc-ffi-minor-fixes, r=alexcrichton

[rust.git] / src / librustc / plugin / registry.rs

diff --git a/src/librustc/plugin/registry.rs b/src/librustc/plugin/registry.rs
index 587bedd502e15015d7920fc7110126c152f02512..2581ba51c2e107b1830a6a5fda3b82b971eda11c 100644 (file)
--- a/src/librustc/plugin/registry.rs
+++ b/src/librustc/plugin/registry.rs
@@ -13,7 +13,7 @@
 use lint::LintPassObject;
 
 use syntax::ext::base::{SyntaxExtension, NamedSyntaxExtension, NormalTT};
-use syntax::ext::base::{IdentTT, ItemDecorator, ItemModifier, BasicMacroExpander};
+use syntax::ext::base::{IdentTT, LetSyntaxTT, ItemDecorator, ItemModifier, BasicMacroExpander};
 use syntax::ext::base::{MacroExpanderFn};
 use syntax::codemap::Span;
 use syntax::parse::token;
@@ -57,6 +57,8 @@ pub fn register_syntax_extension(&mut self, name: ast::Name, extension: SyntaxEx
             IdentTT(ext, _) => IdentTT(ext, Some(self.krate_span)),
             ItemDecorator(ext) => ItemDecorator(ext),
             ItemModifier(ext) => ItemModifier(ext),
+            // there's probably a nicer way to signal this:
+            LetSyntaxTT(_, _) => fail!("can't register a new LetSyntax!"),
         }));
     }