extract_enums.py 文件源码

def int_enum_value_factory(index, enumerator):
    if enumerator.value is None:
        return '0' if index == 0 else 'auto()'

    if isinstance(enumerator.value, c_ast.BinaryOp):
        return emit_binary_op(enumerator.value)
    elif isinstance(enumerator.value, c_ast.Constant):
        return emit_constant(enumerator.value)
    elif isinstance(enumerator.value, c_ast.UnaryOp):
        return emit_unary_op(enumerator.value)
    elif enumerator.value.name == 'PG_INT32_MAX':
        return '0x7FFFFFFF'

    assert enumerator.value.type == 'int'
    return enumerator.value.value