def from_reader(cls, r: typing.BinaryIO):
o = Import()
o.module = common.read_bytes(r, 32).decode()
o.name = common.read_bytes(r, 32).decode()
o.kind = ord(r.read(1))
if o.kind == convention.extern_func:
o.desc = common.read_count(r, 32)
elif o.kind == convention.extern_table:
o.desc = TableType.from_reader(r)
elif o.kind == convention.extern_mem:
o.desc = MemoryType.from_reader(r)
elif o.kind == convention.extern_global:
o.desc = GlobalType.from_reader(r)
else:
raise Exception('pywasm: malformed')
return o
def from_reader(cls, r: typing.BinaryIO):
o = DataSegment()
o.memidx = common.read_count(r, 32)
o.expr = Expression.from_reader(r)
o.init = bytearray(common.read_bytes(r, 32))
return o
def from_reader(cls, r: typing.BinaryIO):
o = Export()
o.name = common.read_bytes(r, 32).decode()
o.kind = ord(r.read(1))
o.desc = common.read_count(r, 32)
return o
def from_reader(cls, r: typing.BinaryIO):
o = FunctionType()
assert ord(r.read(1)) == 0x60
o.args = common.read_bytes(r)
o.rets = common.read_bytes(r)
return o