Now we can get a count of cdomains.

Author: cdkersey

cdomain.cpp

@@ -47,3 +47,5 @@ cdomain_handle_t chdl::pop_clock_domain() {
   cur_clock_domain() = *(cdomainstack().rbegin());
   return cur_clock_domain();
 }
+
+unsigned chdl::clock_domains() { return tickables().size(); }

cdomain.h

@@ -14,6 +14,7 @@ namespace chdl {
   void set_clock_domain(cdomain_handle_t cd);
   cdomain_handle_t push_clock_domain(unsigned interval=1);
   cdomain_handle_t pop_clock_domain();
+  unsigned clock_domains(); // Return number of clock domains
 };
 
 #endif