def test_refine_to_chain():
import code_examples
tac_name = 'tac_block'
from tac_analysis import make_tacblock_cfg
cfg = make_tacblock_cfg(code_examples.CreateSphere)
refined = refine_to_chain(cfg, tac_name, 'tac')
for x in sorted(refined.nodes_iter()):
print(x, refined.node[x]['tac'].format())
def analyze_type_safety(code_to_analyze):
cfg = tac_analysis.make_tacblock_cfg(code_to_analyze)
tac_analysis.print_tac_cfg(cfg)
cfg = program_cfg.ProgramCFG(cfg, name=tac_analysis.BLOCKNAME)
cfg.depict()
print(cfg.program_vars())
type_abstract_analyzer = types_predicate_abstraction.AbstractTypesAnalysis(cfg)
abstract_type_for_reachable_location = chaotic_type_analysis(type_abstract_analyzer, cfg)
type_safety_constraints = generate_type_safety_constraints(type_abstract_analyzer, cfg)
types_exclusion_theory = type_abstract_analyzer.get_types_exclusion_theory()
print(type_safety_constraints)
result = check_type_safety(abstract_type_for_reachable_location,
type_safety_constraints,
types_exclusion_theory)
return result