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frame.py
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frame.py
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class Frame():
def __init__(self, pc, localvars, result=None):
self.pc = pc
# creates a copy of localvars not merely an assignment
self.localvars = localvars[:]
self.routine_stack = []
self.result = result
# UNDO
# print("localvars: " + str(localvars))
def get_pc(self):
return self.pc
def get_localvars(self):
# UNDO
# print("localvars: " + str(self.localvars))
return self.localvars
def get_localvar(self, var):
assert (var >= 1 and var <= 15), "There are only up to 15 local variables per frame"
return self.localvars[var - 1]
def pop_routine_stack(self):
return self.routine_stack.pop()
def get_result(self):
return self.result
def set_pc(self, pc):
self.pc = pc
def set_localvar(self, value, var):
assert (var >= 1 and var <= 15), "There are only up to 15 local variables per frame"
self.localvars[var - 1] = value
def push_routine_stack(self, value):
self.routine_stack.append(value)
def set_result(self, result):
self.result = result
class Frame3(Frame):
def __init__(self, pc, localvars, ret, result=None):
Frame.__init__(self, pc, localvars, result)
self.ret = ret
def get_ret(self):
return self.ret
def set_ret(self, ret):
self.ret = ret
class Frame5(Frame3):
def __init__(self, pc, localvars, ret, n, result=None, framep=None):
Frame3.__init__(self, pc, localvars, ret, result)
self.n = n
self.framep = framep
def get_framep(self):
return self.framep
def get_n(self):
return self.n
def set_framep(self, framep):
self.framep = framep
def set_n(self, n):
self.n = n