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41 lines
1.6 KiB
Python
41 lines
1.6 KiB
Python
from sixtypical.model import RoutineType, VectorType
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def find_routines_matching_type(program, type_):
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"""Return the subset of routines of the program whose value
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may be assigned to a location of the given type_ (typically
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a vector)."""
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return [r for r in program.routines if RoutineType.executable_types_compatible(r.routine_type, type_)]
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def construct_callgraph(program):
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graph = {}
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for routine in program.routines:
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potentially_calls = []
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for (called_routine, called_routine_type) in routine.called_routines:
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if isinstance(called_routine_type, RoutineType):
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potentially_calls.append(called_routine.name)
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elif isinstance(called_routine_type, VectorType):
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for potentially_called in find_routines_matching_type(program, called_routine_type):
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potentially_calls.append(potentially_called.name)
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else:
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raise NotImplementedError
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graph[routine.name] = {
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'potentially-calls': potentially_calls,
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}
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# Reflexive closure
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for routine in program.routines:
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potentially_called_by = []
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for (name, node) in graph.items():
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potential_calls = node['potentially-calls']
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if routine.name in potential_calls:
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potentially_called_by.append(name)
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if getattr(routine, 'explicitly_marked_as_called', None) or routine.name == 'main':
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potentially_called_by.append('*marked*')
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graph[routine.name]['potentially-called-by'] = potentially_called_by
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return graph
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