Rémi Bernon (@rbernon) commented about tools/widl/parser.y:
| contract_req { $$ = $1; } /* activatable on the default activation factory */ ;
-access_attr
: tPUBLIC { $$ = attr_int( @$, ATTR_PUBLIC, 0 ); }
| tPROTECTED { $$ = attr_int( @$, ATTR_PROTECTED, 0 ); }
+composable_access
: tPUBLIC { $$ = COMPOSABLE_ACCESS_PUBLIC; }
| tPROTECTED { $$ = COMPOSABLE_ACCESS_PROTECTED; }
The public/protected attributes already exist, I don't think it is right to duplicate it just for the composable attribute. If `make_exprt` discards attributes, it's probably better to just fix things there instead.