Add typename parsing to variable declarations.

(The typenames don't do anything yet, we just ignore them after parsing.)

src/NQP/Actions.pm

@@ -365,6 +365,10 @@ method scope_declarator:sym<our>($/) { make $<scoped>.ast; }
 method scope_declarator:sym<has>($/) { make $<scoped>.ast; }
 
 method scoped($/) {
+    make $<declarator>.ast;
+}
+
+method declarator($/) {
     make $<routine_declarator>
          ?? $<routine_declarator>.ast
          !! $<variable_declarator>.ast;

src/NQP/Grammar.pm

@@ -271,6 +271,13 @@ token scope_declarator:sym<our> { <sym> <scoped('our')> }
 token scope_declarator:sym<has> { <sym> <scoped('has')> }
 
 rule scoped($*SCOPE) {
+    | <declarator>
+    | <typename>+ <declarator>       # eventually <multi_declarator>
+}
+
+token typename { <name> }
+
+token declarator {
     | <variable_declarator>
     | <routine_declarator>
 }