def from_xml(t):
c = Call()
if t.get('location'):
c.location = Location(t.get('location'))
if t.find('function') == None:
c.fnexpr = expression.expression_from_xml(t.getchildren()[0])
else:
c.fnexpr = expression.Bound(t.find('function'))
c.lhs = expression.expression_from_xml(descend_one(t.find('lhs')))
for a in t.find('args').getchildren():
c.args += [ expression.expression_from_xml(a) ]
return c
def from_xml(t):
r = Ret()
if t.get('location'):
r.location = Location(t.get('location'))
if t.getchildren():
r.expr = expression.expression_from_xml(descend_one(t))
return r
def from_xml(t):
a = Assignment()
if t.get('location'):
a.location = Location(t.get('location'))
a.lhs = expression.result_from_xml(descend_one(t.find('lhs')))
for x in t.find('rhs').getchildren():
a.rhs += [expression.expression_from_xml(x)]
return a
def from_xml(t):
c = Cond()
if t.get('location'):
c.location = Location(t.get('location'))
for x in t.getchildren():
if x.tag == 'then':
c.then = int(x.get('id'))
elif x.tag == 'else':
c.else_ = int(x.get('id'))
else:
c.cond += [ expression.expression_from_xml(x) ]
return c
def from_xml(t):
s = Switch()
if t.get('location'):
s.location = Location(t.get('location'))
s.expr = expression.expression_from_xml(descend_one(t.find('index')))
if t.find('default') is not None:
s.default = int(t.find('default').get('id'))
for c in t.findall('case'):
if len(c.getchildren()) == 1:
k = descend_one(c)
assert k.tag == 'exact', 'strange case label'
s.mapping[constant.convert(descend_one(k))] = int(c.get('id'))
else:
assert len(c.getchildren()) == 2, 'strange case label'
low, high = c.getchildren()
assert low.tag == 'low-bound'
assert high.tag == 'high-bound'
low_const, high_const = constant.convert(descend_one(low)).get_value(), constant.convert(descend_one(high)).get_value()
for x in range(low_const, high_const + 1):
s.mapping[x] = int(c.get('id'))
return s
