Remove deps on tt_mbe

2020-03-27 00:41:44 +08:00
parent 72e68d0caf
commit db162df264
10 changed files with 58 additions and 49 deletions
--- a/crates/ra_mbe/src/lib.rs
+++ b/crates/ra_mbe/src/lib.rs
@@ -28,6 +28,13 @@ pub enum ExpandError {
    BindingError(String),
    ConversionError,
    InvalidRepeat,
+    ProcMacroError(tt::ExpansionError),
+}
+
+impl From<tt::ExpansionError> for ExpandError {
+    fn from(it: tt::ExpansionError) -> Self {
+        ExpandError::ProcMacroError(it)
+    }
 }

 pub use crate::syntax_bridge::{