Merge branch 'master' into qregex

Author: pmichaud

src/how/NQPClassHOW.pm

@@ -137,18 +137,18 @@ knowhow NQPClassHOW {
     }
 
     method compose($obj) {
-        # Incorporate roles. First, instantiate them with the type object
+        # Incorporate roles. First, specialize them with the type object
         # for this type (so their $?CLASS is correct). Then delegate to
         # the composer.
         if @!roles {
-            my @instantiated_roles;
+            my @specialized_roles;
             for @!roles {
-                my $ins := $_.HOW.instantiate($_, $obj);
-                @instantiated_roles.push($ins);
+                my $ins := $_.HOW.specialize($_, $obj);
+                @specialized_roles.push($ins);
                 @!done[+@!done] := $_;
                 @!done[+@!done] := $ins;
             }
-            RoleToClassApplier.apply($obj, @instantiated_roles);
+            RoleToClassApplier.apply($obj, @specialized_roles);
         }
 
         # If we have no parents and we're not called NQPMu then add the

src/how/NQPConcreteRoleHOW.pm

@@ -138,6 +138,10 @@ knowhow NQPConcreteRoleHOW {
     method roles($obj) {
         @!roles
     }
+    
+    method does_list($obj) {
+        @!done
+    }
 
     method instance_of($obj) {
         $!instance_of

src/how/NQPParametricRoleHOW.pm

@@ -102,9 +102,9 @@ knowhow NQPParametricRoleHOW {
         1
     }
 
-    # This instantiates the role for the given class and builds a concrete
+    # This specializes the role for the given class and builds a concrete
     # role.
-    method instantiate($obj, $class_arg) {
+    method specialize($obj, $class_arg) {
         # Run the body block to capture the arguments into the correct
         # type argument context.
         $!body_block($class_arg);
@@ -128,8 +128,8 @@ knowhow NQPParametricRoleHOW {
 
         # Copy roles, instantiating them as we go.
         for @!roles {
-            my $instantiated := $irole.HOW.instantiate($irole, $class_arg);
-            $irole.HOW.add_role($irole, $instantiated);
+            my $specialized := $irole.HOW.specialize($irole, $class_arg);
+            $irole.HOW.add_role($irole, $specialized);
         }
 
         # Compose and return produced role.