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-rw-r--r--python/function.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/python/function.py b/python/function.py
index 2f6788f6..86c93bf7 100644
--- a/python/function.py
+++ b/python/function.py
@@ -847,14 +847,20 @@ class DisassemblyTextLine(object):
class FunctionGraphEdge(object):
- def __init__(self, branch_type, target, points):
+ def __init__(self, branch_type, source, target, points):
self.type = BranchType(branch_type)
+ self.source = source
self.target = target
self.points = points
def __repr__(self):
return "<%s: %s>" % (self.type.name, repr(self.target))
+ @property
+ def back_edge(self):
+ """Whether the edge is a back edge (end of a loop)"""
+ return self.target in self.source.basic_block.dominators
+
class FunctionGraphBlock(object):
def __init__(self, handle):
@@ -967,7 +973,7 @@ class FunctionGraphBlock(object):
points = []
for j in xrange(0, edges[i].pointCount):
points.append((edges[i].points[j].x, edges[i].points[j].y))
- result.append(FunctionGraphEdge(branch_type, target, points))
+ result.append(FunctionGraphEdge(branch_type, self, target, points))
core.BNFreeFunctionGraphBlockOutgoingEdgeList(edges, count.value)
return result