start work on new interpreter

next/main.c

@@ -0,0 +1,18 @@
+#include "core/opcodes.h"
+#include <growl.h>
+
+static uint8_t code[] = {
+    GOP_PUSH_NIL,
+    GOP_RETURN,
+};
+
+int main(void) {
+  GrowlVM *vm = growl_vm_init();
+
+  Growl quot_obj = growl_make_quotation(vm, code, sizeof(code), NULL, 0);
+  GrowlQuotation *quot = (GrowlQuotation *)(GROWL_UNBOX(quot_obj) + 1);
+  vm_doquot(vm, quot);
+
+  growl_gc_collect(vm);
+  growl_vm_free(vm);
+}