syntax: closure are designed by their names, not their ranks

[nit.git] / src / syntax / mmbuilder.nit

diff --git a/src/syntax/mmbuilder.nit b/src/syntax/mmbuilder.nit
index 60deaf2..52855c8 100644 (file)
--- a/src/syntax/mmbuilder.nit
+++ b/src/syntax/mmbuilder.nit
@@ -1228,10 +1228,17 @@ redef class AClosureDecl
 
                # Add the finalizer to the closure signature
                var finalize_sig = new MMSignature(new Array[MMType], null, v.module.type_any) # FIXME should be no receiver
-               var finalizer_clos = new MMClosure(finalize_sig, false, true)
+               var finalizer_clos = new MMClosure(once ("break".to_symbol), finalize_sig, false, true)
                sig.closures.add(finalizer_clos)
 
-               var clos = new MMClosure(sig, n_kwbreak != null, n_expr != null)
+               var name = n_id.to_symbol
+               var clos = new MMClosure(name, sig, n_kwbreak != null, n_expr != null)
+               for c in old_signature_builder.closure_decls do
+                       if c.n_id.to_symbol == name then
+                               v.error(n_id, "A closure '!{name}' already defined at {c.n_id.location.relative_to(n_id.location)}.")
+                               return
+                       end
+               end
                v.signature_builder = old_signature_builder
                _position = old_signature_builder.closure_decls.length
                old_signature_builder.closure_decls.add(self)