Source code for vsc.model.constraint_scope_model

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# Created on Jul 27, 2019
#
# @author: ballance

from vsc.model.constraint_model import ConstraintModel

[docs] class ConstraintScopeModel(ConstraintModel): def __init__(self, constraints = None): super().__init__() if constraints is not None: self.constraint_l = constraints else: self.constraint_l = []
[docs] def addConstraint(self, c) -> ConstraintModel: self.constraint_l.append(c) return c
[docs] def build(self, btor, soft=False): ret = None for c in self.constraint_l: if ret is None: ret = c.build(btor, soft) else: b = c.build(btor, soft) if b is not None: ret = btor.And(ret, b) if ret is None: # An empty block defaults to 'true' ret = btor.Const(1, 1) return ret
[docs] def get_nodes(self, node_l): for c in self.constraint_l: c.get_nodes(node_l)
[docs] def accept(self, visitor): visitor.visit_constraint_scope(self)
[docs] def clone(self, deep=False)->'ConstraintModel': ret = ConstraintScopeModel() if deep: for c in self.constraint_l: ret.constraint_l.append(c.clone(deep)) return ret