def process(self, doAST=False):
logger.debug('METHOD : %s', self.name)
# Native methods... no blocks.
if self.start_block is None:
logger.debug('Native Method.')
if doAST:
self.ast = JSONWriter(None, self).get_ast()
else:
self.writer = Writer(None, self)
self.writer.write_method()
return
graph = construct(self.start_block, self.var_to_name, self.exceptions)
self.graph = graph
if not __debug__:
util.create_png(self.cls_name, self.name, graph, '/tmp/dad/blocks')
use_defs, def_uses = build_def_use(graph, self.lparams)
split_variables(graph, self.var_to_name, def_uses, use_defs)
dead_code_elimination(graph, def_uses, use_defs)
register_propagation(graph, def_uses, use_defs)
place_declarations(graph, self.var_to_name, def_uses, use_defs)
del def_uses, use_defs
# After the DCE pass, some nodes may be empty, so we can simplify the
# graph to delete these nodes.
# We start by restructuring the graph by spliting the conditional nodes
# into a pre-header and a header part.
split_if_nodes(graph)
# We then simplify the graph by merging multiple statement nodes into
# a single statement node when possible. This also delete empty nodes.
simplify(graph)
graph.compute_rpo()
if not __debug__:
util.create_png(self.cls_name, self.name, graph,
'/tmp/dad/pre-structured')
identify_structures(graph, graph.immediate_dominators())
if not __debug__:
util.create_png(self.cls_name, self.name, graph,
'/tmp/dad/structured')
if doAST:
self.ast = JSONWriter(graph, self).get_ast()
else:
self.writer = Writer(graph, self)
self.writer.write_method()
