Z3
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)
 
- 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
 ast
 
 ctx
 

Detailed Description

Sequence expression.

Definition at line 10612 of file z3py.py.

Member Function Documentation

◆ __add__()

def __add__ (   self,
  other 
)

Definition at line 10618 of file z3py.py.

10618  def __add__(self, other):
10619  return Concat(self, other)
10620 
def Concat(*args)
Definition: z3py.py:4046

◆ __ge__()

def __ge__ (   self,
  other 
)

Definition at line 10654 of file z3py.py.

10654  def __ge__(self, other):
10655  return SeqRef(Z3_mk_str_le(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
10656 
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,
  i 
)

Definition at line 10624 of file z3py.py.

10624  def __getitem__(self, i):
10625  if _is_int(i):
10626  i = IntVal(i, self.ctx)
10627  return _to_expr_ref(Z3_mk_seq_nth(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
10628 
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:3152

◆ __gt__()

def __gt__ (   self,
  other 
)

Definition at line 10657 of file z3py.py.

10657  def __gt__(self, other):
10658  return SeqRef(Z3_mk_str_lt(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
10659 
10660 
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,
  other 
)

Definition at line 10648 of file z3py.py.

10648  def __le__(self, other):
10649  return SeqRef(Z3_mk_str_le(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
10650 

◆ __lt__()

def __lt__ (   self,
  other 
)

Definition at line 10651 of file z3py.py.

10651  def __lt__(self, other):
10652  return SeqRef(Z3_mk_str_lt(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
10653 

◆ __radd__()

def __radd__ (   self,
  other 
)

Definition at line 10621 of file z3py.py.

10621  def __radd__(self, other):
10622  return Concat(other, self)
10623 

◆ as_string()

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

Definition at line 10640 of file z3py.py.

10640  def as_string(self):
10641  """Return a string representation of sequence expression."""
10642  if self.is_string_value():
10643  string_length = ctypes.c_uint()
10644  chars = Z3_get_lstring(self.ctx_ref(), self.as_ast(), byref(string_length))
10645  return string_at(chars, size=string_length.value).decode("latin-1")
10646  return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
10647 
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,
  i 
)

Definition at line 10629 of file z3py.py.

10629  def at(self, i):
10630  if _is_int(i):
10631  i = IntVal(i, self.ctx)
10632  return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
10633 
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 10634 of file z3py.py.

10634  def is_string(self):
10635  return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
10636 
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:10692

◆ is_string_value()

def is_string_value (   self)

Definition at line 10637 of file z3py.py.

10637  def is_string_value(self):
10638  return Z3_is_string(self.ctx_ref(), self.as_ast())
10639 
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:10700

Referenced by SeqRef.as_string().

◆ sort()

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

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

Reimplemented from ExprRef.

Definition at line 10615 of file z3py.py.

10615  def sort(self):
10616  return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
10617 

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