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 10011 of file z3py.py.

Member Function Documentation

◆ __add__()

def __add__ (   self,
  other 
)

Definition at line 10017 of file z3py.py.

10017  def __add__(self, other):
10018  return Concat(self, other)
10019 

◆ __ge__()

def __ge__ (   self,
  other 
)

Definition at line 10054 of file z3py.py.

10054  def __ge__(self, other):
10055  return SeqRef(Z3_mk_str_le(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
10056 

◆ __getitem__()

def __getitem__ (   self,
  i 
)

Definition at line 10023 of file z3py.py.

10023  def __getitem__(self, i):
10024  if _is_int(i):
10025  i = IntVal(i, self.ctx)
10026  return _to_expr_ref(Z3_mk_seq_nth(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
10027 

◆ __gt__()

def __gt__ (   self,
  other 
)

Definition at line 10057 of file z3py.py.

10057  def __gt__(self, other):
10058  return SeqRef(Z3_mk_str_lt(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
10059 
10060 

◆ __le__()

def __le__ (   self,
  other 
)

Definition at line 10048 of file z3py.py.

10048  def __le__(self, other):
10049  return SeqRef(Z3_mk_str_le(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
10050 

◆ __lt__()

def __lt__ (   self,
  other 
)

Definition at line 10051 of file z3py.py.

10051  def __lt__(self, other):
10052  return SeqRef(Z3_mk_str_lt(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
10053 

◆ __radd__()

def __radd__ (   self,
  other 
)

Definition at line 10020 of file z3py.py.

10020  def __radd__(self, other):
10021  return Concat(other, self)
10022 

◆ as_string()

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

Definition at line 10040 of file z3py.py.

10040  def as_string(self):
10041  """Return a string representation of sequence expression."""
10042  if self.is_string_value():
10043  string_length = ctypes.c_uint()
10044  chars = Z3_get_lstring(self.ctx_ref(), self.as_ast(), byref(string_length))
10045  return string_at(chars, size=string_length.value).decode('latin-1')
10046  return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
10047 

◆ at()

def at (   self,
  i 
)

Definition at line 10028 of file z3py.py.

10028  def at(self, i):
10029  if _is_int(i):
10030  i = IntVal(i, self.ctx)
10031  return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
10032 

◆ is_string()

def is_string (   self)

Definition at line 10033 of file z3py.py.

10033  def is_string(self):
10034  return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
10035 

◆ is_string_value()

def is_string_value (   self)

Definition at line 10036 of file z3py.py.

10036  def is_string_value(self):
10037  return Z3_is_string(self.ctx_ref(), self.as_ast())
10038 
10039 

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 10014 of file z3py.py.

10014  def sort(self):
10015  return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
10016 
Z3_get_lstring
Z3_char_ptr Z3_API Z3_get_lstring(Z3_context c, Z3_ast s, unsigned *length)
Retrieve the unescaped string constant stored in s.
z3py.IntVal
def IntVal(val, ctx=None)
Definition: z3py.py:2975
z3py.is_string_value
def is_string_value(a)
Definition: z3py.py:10096
Z3_is_string
bool Z3_API Z3_is_string(Z3_context c, Z3_ast s)
Determine if s is a string constant.
Z3_ast_to_string
Z3_string Z3_API Z3_ast_to_string(Z3_context c, Z3_ast a)
Convert the given AST node into a string.
z3py.is_string
def is_string(a)
Definition: z3py.py:10089
z3py.Concat
def Concat(*args)
Definition: z3py.py:3836
Z3_mk_str_lt
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.
Z3_is_string_sort
bool Z3_API Z3_is_string_sort(Z3_context c, Z3_sort s)
Check if s is a string sort.
Z3_get_sort
Z3_sort Z3_API Z3_get_sort(Z3_context c, Z3_ast a)
Return the sort of an AST node.
Z3_mk_seq_at
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...
Z3_mk_str_le
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.
Z3_mk_seq_nth
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...