def __init__(self, message=None, node_type=None, expression=None):
if message is None:
message = "Unsupported operator '%s' (node_type: %d)" % (op.op_to_str(node_type), node_type)
Exception.__init__(self)
self.message = message
self.expression = expression
self.node_type = node_type
def __init__(self, env=None):
if env is None:
import pysmt.environment
env = pysmt.environment.get_env()
self.env = env
self.functions = {}
self.functions[op.FORALL] = self.walk_forall
self.functions[op.EXISTS] = self.walk_exists
self.functions[op.AND] = self.walk_and
self.functions[op.OR] = self.walk_or
self.functions[op.NOT] = self.walk_not
self.functions[op.IMPLIES] = self.walk_implies
self.functions[op.IFF] = self.walk_iff
self.functions[op.SYMBOL] = self.walk_symbol
self.functions[op.FUNCTION] = self.walk_function
self.functions[op.REAL_CONSTANT] = self.walk_real_constant
self.functions[op.BOOL_CONSTANT] = self.walk_bool_constant
self.functions[op.INT_CONSTANT] = self.walk_int_constant
self.functions[op.PLUS] = self.walk_plus
self.functions[op.MINUS] = self.walk_minus
self.functions[op.TIMES] = self.walk_times
self.functions[op.EQUALS] = self.walk_equals
self.functions[op.LE] = self.walk_le
self.functions[op.LT] = self.walk_lt
self.functions[op.ITE] = self.walk_ite
self.functions[op.TOREAL] = self.walk_toreal
self.functions[op.BV_CONSTANT] = self.walk_bv_constant
self.functions[op.BV_CONCAT] = self.walk_bv_concat
self.functions[op.BV_EXTRACT] = self.walk_bv_extract
self.functions[op.BV_NOT] = self.walk_bv_not
self.functions[op.BV_AND] = self.walk_bv_and
self.functions[op.BV_OR] = self.walk_bv_or
self.functions[op.BV_XOR] = self.walk_bv_xor
self.functions[op.BV_ULT] = self.walk_bv_ult
self.functions[op.BV_ULE] = self.walk_bv_ule
self.functions[op.BV_NEG] = self.walk_bv_neg
self.functions[op.BV_ADD] = self.walk_bv_add
self.functions[op.BV_SUB] = self.walk_bv_sub
self.functions[op.BV_MUL] = self.walk_bv_mul
self.functions[op.BV_UDIV] = self.walk_bv_udiv
self.functions[op.BV_UREM] = self.walk_bv_urem
self.functions[op.BV_LSHL] = self.walk_bv_lshl
self.functions[op.BV_LSHR] = self.walk_bv_lshr
self.functions[op.BV_ROL] = self.walk_bv_rol
self.functions[op.BV_ROR] = self.walk_bv_ror
self.functions[op.BV_ZEXT] = self.walk_bv_zext
self.functions[op.BV_SEXT] = self.walk_bv_sext
self.functions[op.BV_SLT] = self.walk_bv_slt
self.functions[op.BV_SLE] = self.walk_bv_sle
self.functions[op.BV_COMP] = self.walk_bv_comp
self.functions[op.BV_SDIV] = self.walk_bv_sdiv
self.functions[op.BV_SREM] = self.walk_bv_srem
self.functions[op.BV_ASHR] = self.walk_bv_ashr
undefined_types = set(op.ALL_TYPES) - set(self.functions.keys())
assert len(undefined_types) == 0, \
"The following types are not defined in the generic walker: {%s}" % \
(", ".join(op.op_to_str(u) for u in undefined_types))
def __init__(self, env=None):
if env is None:
import pysmt.environment
env = pysmt.environment.get_env()
self.env = env
self.functions = {}
self.functions[op.FORALL] = self.walk_forall
self.functions[op.EXISTS] = self.walk_exists
self.functions[op.AND] = self.walk_and
self.functions[op.OR] = self.walk_or
self.functions[op.NOT] = self.walk_not
self.functions[op.IMPLIES] = self.walk_implies
self.functions[op.IFF] = self.walk_iff
self.functions[op.SYMBOL] = self.walk_symbol
self.functions[op.FUNCTION] = self.walk_function
self.functions[op.REAL_CONSTANT] = self.walk_real_constant
self.functions[op.BOOL_CONSTANT] = self.walk_bool_constant
self.functions[op.INT_CONSTANT] = self.walk_int_constant
self.functions[op.PLUS] = self.walk_plus
self.functions[op.MINUS] = self.walk_minus
self.functions[op.TIMES] = self.walk_times
self.functions[op.EQUALS] = self.walk_equals
self.functions[op.LE] = self.walk_le
self.functions[op.LT] = self.walk_lt
self.functions[op.ITE] = self.walk_ite
self.functions[op.TOREAL] = self.walk_toreal
self.functions[op.BV_CONSTANT] = self.walk_bv_constant
self.functions[op.BV_CONCAT] = self.walk_bv_concat
self.functions[op.BV_EXTRACT] = self.walk_bv_extract
self.functions[op.BV_NOT] = self.walk_bv_not
self.functions[op.BV_AND] = self.walk_bv_and
self.functions[op.BV_OR] = self.walk_bv_or
self.functions[op.BV_XOR] = self.walk_bv_xor
self.functions[op.BV_ULT] = self.walk_bv_ult
self.functions[op.BV_ULE] = self.walk_bv_ule
self.functions[op.BV_NEG] = self.walk_bv_neg
self.functions[op.BV_ADD] = self.walk_bv_add
self.functions[op.BV_SUB] = self.walk_bv_sub
self.functions[op.BV_MUL] = self.walk_bv_mul
self.functions[op.BV_UDIV] = self.walk_bv_udiv
self.functions[op.BV_UREM] = self.walk_bv_urem
self.functions[op.BV_LSHL] = self.walk_bv_lshl
self.functions[op.BV_LSHR] = self.walk_bv_lshr
self.functions[op.BV_ROL] = self.walk_bv_rol
self.functions[op.BV_ROR] = self.walk_bv_ror
self.functions[op.BV_ZEXT] = self.walk_bv_zext
self.functions[op.BV_SEXT] = self.walk_bv_sext
self.functions[op.BV_SLT] = self.walk_bv_slt
self.functions[op.BV_SLE] = self.walk_bv_sle
self.functions[op.BV_COMP] = self.walk_bv_comp
self.functions[op.BV_SDIV] = self.walk_bv_sdiv
self.functions[op.BV_SREM] = self.walk_bv_srem
self.functions[op.BV_ASHR] = self.walk_bv_ashr
undefined_types = set(op.ALL_TYPES) - set(self.functions.keys())
assert len(undefined_types) == 0, \
"The following types are not defined in the generic walker: {%s}" % \
(", ".join(op.op_to_str(u) for u in undefined_types))
def to_json(node, debug=False):
if debug: print(node, node.get_type(), node.args())
if node.is_real_constant():
type_str = "0_REAL_CONSTANT" #hack to put real constant at the end
else:
type_str = pyopt.op_to_str(node.node_type())
if debug:
print("NODE TYPE:", node.node_type())
print("TYPE_STR:", type_str)
if len(node.args()) == 0:
obj = {"type": type_str, "content": calculate_val(node)}
return obj
else:
args = []
for a in node.args():
args.append(to_json(a, debug))
obj = {"type": type_str, "content": args}
return obj
def nt_to_fun(o):
"""Returns the name of the walk function for the given nodetype."""
return "walk_%s" % op.op_to_str(o).lower()