examples: basic Pytholite demo

diff --git a/examples/pytholite/basic.py b/examples/pytholite/basic.py
new file mode 100644 (file)
index 0000000..fa8ba9b
--- /dev/null
+++ b/examples/pytholite/basic.py
@@ -0,0 +1,43 @@
+from migen.flow.network import *
+from migen.actorlib.sim import *
+from migen.pytholite.compiler import make_pytholite
+from migen.sim.generic import Simulator
+from migen.sim.icarus import Runner
+
+layout = [("r", BV(32))]
+
+def number_gen():
+       for i in range(10):
+               yield Token("result", {"r": i})
+
+class Dumper(SimActor):
+       def __init__(self):
+               def dumper_gen():
+                       while True:
+                               t = Token("result")
+                               yield t
+                               print(t.value["r"])
+               super().__init__(dumper_gen(),
+                       ("result", Sink, layout))
+
+def run_sim(ng):
+       g = DataFlowGraph()
+       d = Dumper()
+       g.add_connection(ActorNode(ng), ActorNode(d))
+       
+       c = CompositeActor(g)
+       fragment = c.get_fragment()
+       sim = Simulator(fragment, Runner())
+       sim.run(30)
+       del sim
+
+def main():
+       print("Simulating Pytholite:")
+       ng_pytholite = make_pytholite(number_gen, dataflow=[("result", Source, layout)])
+       run_sim(ng_pytholite)
+       
+       print("Simulating native Python:")
+       ng_native = SimActor(number_gen(), ("result", Source, layout))
+       run_sim(ng_native)
+
+main()