Re-root site.

common/calls.h

@@ -0,0 +1,43 @@
+// Copyright 2021 Bradley D. Nelson
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef CALLTYPE
+# define CALLTYPE
+#endif
+
+#ifdef __cplusplus
+typedef cell_t (CALLTYPE *call_t)(...);
+#else
+typedef cell_t (CALLTYPE *call_t)();
+#endif
+
+#define ct0 ((call_t) n0)
+
+#define CALLING_OPCODE_LIST \
+  YV(internals, CALL0, n0 = ct0()) \
+  YV(internals, CALL1, n0 = ct0(n1); --sp) \
+  YV(internals, CALL2, n0 = ct0(n2, n1); sp -= 2) \
+  YV(internals, CALL3, n0 = ct0(n3, n2, n1); sp -= 3) \
+  YV(internals, CALL4, n0 = ct0(n4, n3, n2, n1); sp -= 4) \
+  YV(internals, CALL5, n0 = ct0(n5, n4, n3, n2, n1); sp -= 5) \
+  YV(internals, CALL6, n0 = ct0(n6, n5, n4, n3, n2, n1); sp -= 6) \
+  YV(internals, CALL7, n0 = ct0(n7, n6, n5, n4, n3, n2, n1); sp -= 7) \
+  YV(internals, CALL8, n0 = ct0(n8, n7, n6, n5, n4, n3, n2, n1); sp -= 8) \
+  YV(internals, CALL9, n0 = ct0(n9, n8, n7, n6, n5, n4, n3, n2, n1); sp -= 9) \
+  YV(internals, CALL10, n0 = ct0(n10, n9, n8, n7, n6, n5, n4, n3, n2, n1); sp -= 10) \
+  YV(internals, CALL11, n0 = ct0(n11, n10, n9, n8, n7, n6, n5, n4, n3, n2, n1); sp -= 11) \
+  YV(internals, CALL12, n0 = ct0(n12, n11, n10, n9, n8, n7, n6, n5, n4, n3, n2, n1); sp -= 12) \
+  YV(internals, CALL13, n0 = ct0(n13, n12, n11, n10, n9, n8, n7, n6, n5, n4, n3, n2, n1); sp -= 13) \
+  YV(internals, CALL14, n0 = ct0(n14, n13, n12, n11, n10, n9, n8, n7, n6, n5, n4, n3, n2, n1); sp -= 14) \
+  YV(internals, CALL15, n0 = ct0(n15, n14, n13, n12, n11, n10, n9, n8, n7, n6, n5, n4, n3, n2, n1); sp -= 15)