From: Sebastien Bourdeauducq <sebastien@milkymist.org>
Date: Wed, 10 Apr 2013 20:15:28 +0000 (+0200)
Subject: uio: remove Trampoline (Python 3.3 provides generator delegation instead)
X-Git-Tag: 24jan2021_ls180~2099^2~613
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1cc4c8ee9f0943a231f75eff441fa1dc17699bc8;p=litex.git

uio: remove Trampoline (Python 3.3 provides generator delegation instead)
---

diff --git a/migen/uio/ioo.py b/migen/uio/ioo.py
index e618c2c6..9257ad0b 100644
--- a/migen/uio/ioo.py
+++ b/migen/uio/ioo.py
@@ -5,7 +5,6 @@ from migen.flow.transactions import *
 from migen.actorlib.sim import TokenExchanger
 from migen.bus import wishbone, memory
 from migen.bus.transactions import *
-from migen.uio.trampoline import Trampoline
 
 class UnifiedIOObject(Module):
 	def __init__(self, dataflow=None, buses={}):
@@ -20,7 +19,7 @@ class UnifiedIOObject(Module):
 
 class UnifiedIOSimulation(UnifiedIOObject):
 	def __init__(self, generator, dataflow=None, buses={}):
-		self.generator = Trampoline(generator)
+		self.generator = generator
 		UnifiedIOObject.__init__(self, dataflow, buses)
 		
 		callers = []
diff --git a/migen/uio/trampoline.py b/migen/uio/trampoline.py
deleted file mode 100644
index 912427de..00000000
--- a/migen/uio/trampoline.py
+++ /dev/null
@@ -1,23 +0,0 @@
-import types
-
-class Trampoline:
-	def __init__(self, g):
-		self.stack = [g]
-	
-	def __iter__(self):
-		return self
-	
-	def __next__(self):
-		while True:
-			while True:
-				try:
-					r = next(self.stack[-1])
-					break
-				except StopIteration:
-					self.stack.pop()
-					if not self.stack:
-						raise
-			if isinstance(r, types.GeneratorType):
-				self.stack.append(r)
-			else:
-				return r