From b3b61d8b6bae6031f74d9636f350d2db937ddbb9 Mon Sep 17 00:00:00 2001
From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Mon, 18 Aug 2014 23:11:53 +0800
Subject: [PATCH] compiler/fold_constants: fix int/round

---
 artiq/compiler/fold_constants.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/artiq/compiler/fold_constants.py b/artiq/compiler/fold_constants.py
index 0e0507df5..71f821917 100644
--- a/artiq/compiler/fold_constants.py
+++ b/artiq/compiler/fold_constants.py
@@ -61,12 +61,18 @@ class _ConstantFolder(ast.NodeTransformer):
 	def visit_Call(self, node):
 		self.generic_visit(node)
 		fn = node.func.id
-		if fn in ("int", "int64", "round", "round64"):
+		constant_ops = {
+			"int":    int,
+			"int64":  int64,
+			"round":  round,
+			"round64": round64
+		}
+		if fn in constant_ops:
 			try:
 				arg = eval_constant(node.args[0])
 			except NotConstant:
 				return node
-			result = value_to_ast(globals()[fn](arg))
+			result = value_to_ast(constant_ops[fn](arg))
 			return ast.copy_location(result, node)
 		else:
 			return node