Public Member Functions
SeqRef Class Reference
+ Inheritance diagram for SeqRef:

Public Member Functions

def sort (self)
def __add__ (self, other)
def __radd__ (self, other)
def __getitem__ (self, i)
def at (self, i)
def is_string (self)
def is_string_value (self)
def as_string (self)
def __le__ (self, other)
def __lt__ (self, other)
def __ge__ (self, other)
def __gt__ (self, other)
- Public Member Functions inherited from ExprRef
def as_ast (self)
def get_id (self)
def sort_kind (self)
def __eq__ (self, other)
def __hash__ (self)
def __ne__ (self, other)
def params (self)
def decl (self)
def num_args (self)
def arg (self, idx)
def children (self)
def from_string (self, s)
def serialize (self)
- Public Member Functions inherited from AstRef
def __init__ (self, ast, ctx=None)
def __del__ (self)
def __deepcopy__ (self, memo={})
def __str__ (self)
def __repr__ (self)
def __nonzero__ (self)
def __bool__ (self)
def sexpr (self)
def ctx_ref (self)
def eq (self, other)
def translate (self, target)
def __copy__ (self)
def hash (self)
- Public Member Functions inherited from Z3PPObject
def use_pp (self)

Additional Inherited Members

- Data Fields inherited from AstRef

Detailed Description

Sequence expression.

Definition at line 10774 of file z3py.py.

Member Function Documentation

◆ __add__()

def __add__ (   self,

Definition at line 10780 of file z3py.py.

10780  def __add__(self, other):
10781  return Concat(self, other)
def Concat(*args)
Definition: z3py.py:4082

◆ __ge__()

def __ge__ (   self,

Definition at line 10816 of file z3py.py.

10816  def __ge__(self, other):
10817  return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
Z3_ast Z3_API Z3_mk_str_le(Z3_context c, Z3_ast prefix, Z3_ast s)
Check if s1 is equal or lexicographically strictly less than s2.

◆ __getitem__()

def __getitem__ (   self,

Definition at line 10786 of file z3py.py.

10786  def __getitem__(self, i):
10787  if _is_int(i):
10788  i = IntVal(i, self.ctx)
10789  return _to_expr_ref(Z3_mk_seq_nth(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
Z3_ast Z3_API Z3_mk_seq_nth(Z3_context c, Z3_ast s, Z3_ast index)
Retrieve from s the element positioned at position index. The function is under-specified if the inde...
def IntVal(val, ctx=None)
Definition: z3py.py:3188

◆ __gt__()

def __gt__ (   self,

Definition at line 10819 of file z3py.py.

10819  def __gt__(self, other):
10820  return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
Z3_ast Z3_API Z3_mk_str_lt(Z3_context c, Z3_ast prefix, Z3_ast s)
Check if s1 is lexicographically strictly less than s2.

◆ __le__()

def __le__ (   self,

Definition at line 10810 of file z3py.py.

10810  def __le__(self, other):
10811  return _to_expr_ref(Z3_mk_str_le(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)

◆ __lt__()

def __lt__ (   self,

Definition at line 10813 of file z3py.py.

10813  def __lt__(self, other):
10814  return _to_expr_ref(Z3_mk_str_lt(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)

◆ __radd__()

def __radd__ (   self,

Definition at line 10783 of file z3py.py.

10783  def __radd__(self, other):
10784  return Concat(other, self)

◆ as_string()

def as_string (   self)
Return a string representation of sequence expression.

Definition at line 10802 of file z3py.py.

10802  def as_string(self):
10803  """Return a string representation of sequence expression."""
10804  if self.is_string_value():
10805  string_length = ctypes.c_uint()
10806  chars = Z3_get_lstring(self.ctx_ref(), self.as_ast(), byref(string_length))
10807  return string_at(chars, size=string_length.value).decode("latin-1")
10808  return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
Z3_string Z3_API Z3_ast_to_string(Z3_context c, Z3_ast a)
Convert the given AST node into a string.
Z3_char_ptr Z3_API Z3_get_lstring(Z3_context c, Z3_ast s, unsigned *length)
Retrieve the string constant stored in s. The string can contain escape sequences....

Referenced by IntNumRef.as_long(), BitVecNumRef.as_long(), and FiniteDomainNumRef.as_long().

◆ at()

def at (   self,

Definition at line 10791 of file z3py.py.

10791  def at(self, i):
10792  if _is_int(i):
10793  i = IntVal(i, self.ctx)
10794  return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
Z3_ast Z3_API Z3_mk_seq_at(Z3_context c, Z3_ast s, Z3_ast index)
Retrieve from s the unit sequence positioned at position index. The sequence is empty if the index is...

◆ is_string()

def is_string (   self)

Definition at line 10796 of file z3py.py.

10796  def is_string(self):
10797  return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
bool Z3_API Z3_is_string_sort(Z3_context c, Z3_sort s)
Check if s is a string sort.
Z3_sort Z3_API Z3_get_sort(Z3_context c, Z3_ast a)
Return the sort of an AST node.
def is_string(a)
Definition: z3py.py:10904

◆ is_string_value()

def is_string_value (   self)

Definition at line 10799 of file z3py.py.

10799  def is_string_value(self):
10800  return Z3_is_string(self.ctx_ref(), self.as_ast())
bool Z3_API Z3_is_string(Z3_context c, Z3_ast s)
Determine if s is a string constant.
def is_string_value(a)
Definition: z3py.py:10912

Referenced by SeqRef.as_string().

◆ sort()

def sort (   self)
Return the sort of expression `self`.

>>> x = Int('x')
>>> (x + 1).sort()
>>> y = Real('y')
>>> (x + y).sort()

Reimplemented from ExprRef.

Definition at line 10777 of file z3py.py.

10777  def sort(self):
10778  return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)

Referenced by FPNumRef.as_string(), ArrayRef.domain(), ArrayRef.domain_n(), FPRef.ebits(), ArithRef.is_int(), ArithRef.is_real(), ArrayRef.range(), FPRef.sbits(), BitVecRef.size(), and ExprRef.sort_kind().