Function parse_optimizer

pddlstream/language/optimizer.py:149–164

(lisp_list, procedures, infos)

# TODO: convert optimizer into a set of streams? Already present within test stream

def parse_optimizer(lisp_list, procedures, infos):
    _, optimizer_name = lisp_list[:2]
    procedure = get_procedure_fn(procedures, optimizer_name)
    optimizer_info = infos.get(optimizer_name, OptimizerInfo())
    optimizer = Optimizer(optimizer_name, procedure, optimizer_info)
    for sub_list in lisp_list[2:]:
        form = sub_list[0]
        if form == VARIABLES:
            optimizer.variables.append(parse_variable(optimizer, sub_list, infos))
        elif form == CONSTRAINT:
            optimizer.constraints.append(parse_constraint(optimizer, sub_list, infos))
        elif form == ':objective':
            optimizer.objectives.append(sub_list[1])
        else:
            raise ValueError(form)
    return optimizer.get_streams()

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