---

yaml
---
r: 144101
b: refs/heads/try2
c: 23ce08a
h: refs/heads/master
i:
  144099: 4f7818d
v: v3

Author: pnkfelix

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 3281d58a5d6b719219c451b490d2758a8770e16a
+refs/heads/try2: 23ce08a4cde573f3ab5e3f57a7c5142a472595ff
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/librustc/middle/trans/callee.rs

@@ -47,7 +47,8 @@ use middle::trans::type_::Type;
 
 use syntax::ast;
 use syntax::ast_map;
-use syntax::oldvisit;
+use syntax::visit;
+use syntax::visit::Visitor;
 
 // Represents a (possibly monomorphized) top-level fn item or method
 // item.  Note that this is just the fn-ptr and is not a Rust closure
@@ -525,21 +526,29 @@ pub fn trans_lang_call_with_type_params(bcx: @mut Block,
         ArgVals(args), Some(dest), DontAutorefArg).bcx;
 }
 
-pub fn body_contains_ret(body: &ast::Block) -> bool {
-    let cx = @mut false;
-    oldvisit::visit_block(body, (cx, oldvisit::mk_vt(@oldvisit::Visitor {
-        visit_item: |_i, (_cx, _v)| { },
-        visit_expr: |e: @ast::expr,
-                     (cx, v): (@mut bool, oldvisit::vt<@mut bool>)| {
+
+struct CalleeTranslationVisitor;
+
+impl Visitor<@mut bool> for CalleeTranslationVisitor {
+
+    fn visit_item(&mut self, _:@ast::item, _:@mut bool) { }
+
+    fn visit_expr(&mut self, e:@ast::expr, cx:@mut bool) {
+
             if !*cx {
                 match e.node {
                   ast::expr_ret(_) => *cx = true,
-                  _ => oldvisit::visit_expr(e, (cx, v)),
+                  _ => visit::walk_expr(self, e, cx),
                 }
             }
-        },
-        ..*oldvisit::default_visitor()
-    })));
+    }
+
+}
+
+pub fn body_contains_ret(body: &ast::Block) -> bool {
+    let cx = @mut false;
+    let mut v = CalleeTranslationVisitor;
+    visit::walk_block(&mut v, body, cx);
     *cx
 }