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scopegraph.py
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scopegraph.py
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import networkx as nx
import basicblock as bb
class ScopeGraph:
_sg = nx.DiGraph()
#lastnode = "hi"
def __init__(self, name_):
self._sg = nx.DiGraph(name = name_)
#gaffa tape solution: since there is no basic block attribute to the start
#node then there will be an AttributeError if trying to call basic block function
#on code. Therefore, it will be solved by adding a basicblock to the start
#node. Even though it's not useful otherwise
#bblock = bb.BasicBlock("start", "start", 1)
#self._sg.add_node("start", name= bblock)
#self.lastnode="start"
def add_scope(self, subgraph_, name_ ,b_block_):
assert type(subgraph_) is nx.DiGraph
assert type(b_block_) is bb.BasicBlock
self._sg.add_node(subgraph_, name = b_block_)
def add_nodes(self, nodes):
# G.add_nodes_from([2,3])
self._sg.add_nodes_from(nodes)
def add_edges(self, edges):
# G.add_edges_from([(1,2),(1,3)])
self._sg.add_edge_from(edges)
def add_path(self, nodes):
#add_path([0,1,2,3,4,5,6,7,8,9])
self._sg.add_path(nodes)
def add_edge(self, subgraph_s_, subgraph_e_) :
self._sg.add_edge(subgraph_s_, subgraph_e_)
def add_node(self, node):
self._sg.add_node(node)
#def add_bb_scope(self, scope_, b_block_): #unfinished
#raise NotImplementedError
#assert type(scope) is nx.DiGraph
#assert type(b_block) is bb.BasicBlock
#scope.graph['bb']=b_block_
def add_exit(self):
self._sg.add_node("exit", name='exit' )
def report(self):
print("\n")
print('number of nodes: {0}'.format(self._sg.number_of_nodes()))
print("Basic Blocks:")
all_nodes = self._sg.nodes(data=True)
for node in all_nodes:
#print(node[1]["name"]) #for some reason using any other keyword than name will create a keyerror
if('bb' in node):
bblock = node[1]['name']
bblock.report()
print("\n")
print('number of edges: {0}'.format(self._sg.number_of_edges()))
print("Edges:")
print('{0}'.format(self._sg.edges()))