nqpq: protoregex stub.

Author: pmichaud

src/NQPQ/Grammar.pm

@@ -499,9 +499,10 @@ grammar NQP::Grammar is HLL::Grammar {
         | $<proto>=[proto] [regex|token|rule]
           <deflongname>
           [ 
+          || '{*}'<?ENDSTMT>
           || '{' '<...>' '}'<?ENDSTMT>
           || '{' '<*>' '}'<?ENDSTMT>
-          || <.panic: "Proto regex body must be <*> (or <...>, which is deprecated)">
+          || <.panic: "Proto regex body must be \{*\} (or <*> or <...>, which are deprecated)">
           ]
         | $<sym>=[regex|token|rule]
           <deflongname>

src/QRegex/Cursor.nqp

@@ -87,6 +87,10 @@ role NQPCursorRole {
         $!pos    := -3;
     }
 
+    method !protoregex($name) {
+        pir::say($name);
+    }
+
     method !BACKREF($name) {
         my $cur := self."!cursor_start"();
         my $n := $!cstack ?? nqp::elems($!cstack) - 1 !! -1;