Revert updates for Parrot 2.0.0 for now.

Will re-apply when we have a more-complete update.

build/PARROT_REVISION

@@ -1 +1 @@
-43473 1.9.0
+43076 1.9.0

src/binder/bind.c

@@ -6,7 +6,7 @@ Copyright (C) 2009, The Perl Foundation.
 #define PARROT_IN_EXTENSION
 #include "parrot/parrot.h"
 #include "parrot/extend.h"
-#include "pmc_callcontext.h"
+#include "pmc_context.h"
 #include "bind.h"
 #include "../pmc/pmc_p6lowlevelsig.h"
 
@@ -440,11 +440,11 @@ Rakudo_binding_bind_signature(PARROT_INTERP, PMC *lexpad, PMC *signature,
         }
     }
 
-    /* If we've got a CallContext, just has an attribute with list of named
+    /* If we've got a CallSignature, just has an attribute with list of named
      * parameter names. Otherwise, it's a Capture and we need to do .hash and
      * grab out the keys. */
-    if (capture->vtable->base_type == enum_class_CallContext ||
-            VTABLE_isa(interp, capture, string_from_literal(interp, "CallContext"))) {
+    if (capture->vtable->base_type == enum_class_CallSignature ||
+            VTABLE_isa(interp, capture, string_from_literal(interp, "CallSignature"))) {
         named_names = VTABLE_get_attr_str(interp, capture, string_from_literal(interp, "named"));
     }
     else if (VTABLE_isa(interp, capture, string_from_literal(interp, "Capture"))) {

src/ops/perl6.ops

@@ -10,7 +10,7 @@ BEGIN_OPS_PREAMBLE
 #include "parrot/dynext.h"
 #include "pmc_object.h"
 #include "pmc_class.h"
-#include "pmc_callcontext.h"
+#include "pmc_callsignature.h"
 #include "../pmc/pmc_p6lowlevelsig.h"
 #include "../binder/bind.h"
 
@@ -596,7 +596,7 @@ inline op get_signature_elem(in PMC, in INT, out STR, out INT, out PMC, out PMC,
 This is emitted into a sub to cause it's Perl 6 signature to be bound. $1 is
 an array of positional arguments (obtained by using :flat) and $2 is a hash of
 named arguments (obtained using :flat :slurpy). Eventually, after Parrot
-refactors are complete, it will take one argument - the CallContext.
+refactors are complete, it will take one argument - the CallSignature.
 
 =cut