Don't stop expansion after hitting a nested macro

lambda-fairy · lambda-fairy · commit d492f22992be · 2016-01-01T14:31:50.000+13:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -27,7 +27,8 @@ struct WrappingFolder<'cx> {
 
 impl<'cx> Folder for WrappingFolder<'cx> {
     fn fold_mac(&mut self, mac: Mac) -> Mac {
-        self.cx.span_fatal(mac.span, "cannot call nested macros in a `wrapping!` block");
+        self.cx.span_err(mac.span, "cannot call nested macros in a `wrapping!` block");
+        mac
     }
 
     fn fold_expr(&mut self, expr: P<Expr>) -> P<Expr> {

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,8 @@ struct WrappingFolder<'cx> {`
`27`	`27`
`28`	`28`	`impl<'cx> Folder for WrappingFolder<'cx> {`
`29`	`29`	`fn fold_mac(&mut self, mac: Mac) -> Mac {`
`30`		- self.cx.span_fatal(mac.span, "cannot call nested macros in a `wrapping!` block");
	`30`	+ self.cx.span_err(mac.span, "cannot call nested macros in a `wrapping!` block");
	`31`	`+ mac`
`31`	`32`	`}`
`32`	`33`
`33`	`34`	`fn fold_expr(&mut self, expr: P<Expr>) -> P<Expr> {`