analyses.constness: fix false positive on x[...].

2016-11-21 13:21:32 +00:00 · 2016-11-21 13:21:32 +00:00 · 53b7d59b6a
commit 53b7d59b6a
parent 35f4449ef2
1 changed files with 6 additions and 0 deletions
--- a/artiq/compiler/analyses/constness.py
+++ b/artiq/compiler/analyses/constness.py
@ -17,6 +17,12 @@ class Constness(algorithm.Visitor):
        self.visit(node.targets)
        self.in_assign = False

+    def visit_SubscriptT(self, node):
+        old_in_assign, self.in_assign = self.in_assign, False
+        self.visit(node.value)
+        self.visit(node.slice)
+        self.in_assign = old_in_assign
+
    def visit_AttributeT(self, node):
        self.generic_visit(node)
        if self.in_assign: