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class GreenFieldInfo(object):
def __init__(self, cpu, jd):
self.cpu = cpu
self.jitdriver_sd = jd
# XXX for now, only supports a single instance,
# but several fields of it can be green
seen = set()
for name in jd.jitdriver.greens:
if '.' in name:
objname, fieldname = name.split('.')
seen.add(objname)
assert len(seen) == 1, (
"Current limitation: you can only give one instance with green "
"fields. Found %r" % list(seen))
self.red_index = jd.jitdriver.reds.index(objname)
#
# a list of (GTYPE, fieldname)
self.green_fields = jd.jitdriver.ll_greenfields.values()
self.green_field_descrs = [cpu.fielddescrof(GTYPE, fieldname)
for GTYPE, fieldname in self.green_fields]
def _freeze_(self):
return True
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