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 10030 of file z3py.py.

Member Function Documentation

◆ __add__()

def __add__ (   self,
  other 
)

Definition at line 10036 of file z3py.py.

10036  def __add__(self, other):
10037  return Concat(self, other)
10038 

◆ __ge__()

def __ge__ (   self,
  other 
)

Definition at line 10073 of file z3py.py.

10073  def __ge__(self, other):
10074  return SeqRef(Z3_mk_str_le(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
10075 

◆ __getitem__()

def __getitem__ (   self,
  i 
)

Definition at line 10042 of file z3py.py.

10042  def __getitem__(self, i):
10043  if _is_int(i):
10044  i = IntVal(i, self.ctx)
10045  return _to_expr_ref(Z3_mk_seq_nth(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
10046 

◆ __gt__()

def __gt__ (   self,
  other 
)

Definition at line 10076 of file z3py.py.

10076  def __gt__(self, other):
10077  return SeqRef(Z3_mk_str_lt(self.ctx_ref(), other.as_ast(), self.as_ast()), self.ctx)
10078 
10079 

◆ __le__()

def __le__ (   self,
  other 
)

Definition at line 10067 of file z3py.py.

10067  def __le__(self, other):
10068  return SeqRef(Z3_mk_str_le(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
10069 

◆ __lt__()

def __lt__ (   self,
  other 
)

Definition at line 10070 of file z3py.py.

10070  def __lt__(self, other):
10071  return SeqRef(Z3_mk_str_lt(self.ctx_ref(), self.as_ast(), other.as_ast()), self.ctx)
10072 

◆ __radd__()

def __radd__ (   self,
  other 
)

Definition at line 10039 of file z3py.py.

10039  def __radd__(self, other):
10040  return Concat(other, self)
10041 

◆ as_string()

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

Definition at line 10059 of file z3py.py.

10059  def as_string(self):
10060  """Return a string representation of sequence expression."""
10061  if self.is_string_value():
10062  string_length = ctypes.c_uint()
10063  chars = Z3_get_lstring(self.ctx_ref(), self.as_ast(), byref(string_length))
10064  return string_at(chars, size=string_length.value).decode('latin-1')
10065  return Z3_ast_to_string(self.ctx_ref(), self.as_ast())
10066 

◆ at()

def at (   self,
  i 
)

Definition at line 10047 of file z3py.py.

10047  def at(self, i):
10048  if _is_int(i):
10049  i = IntVal(i, self.ctx)
10050  return SeqRef(Z3_mk_seq_at(self.ctx_ref(), self.as_ast(), i.as_ast()), self.ctx)
10051 

◆ is_string()

def is_string (   self)

Definition at line 10052 of file z3py.py.

10052  def is_string(self):
10053  return Z3_is_string_sort(self.ctx_ref(), Z3_get_sort(self.ctx_ref(), self.as_ast()))
10054 

◆ is_string_value()

def is_string_value (   self)

Definition at line 10055 of file z3py.py.

10055  def is_string_value(self):
10056  return Z3_is_string(self.ctx_ref(), self.as_ast())
10057 
10058 

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 10033 of file z3py.py.

10033  def sort(self):
10034  return SeqSortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
10035 
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:2989
z3py.is_string_value
def is_string_value(a)
Definition: z3py.py:10115
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:10108
z3py.Concat
def Concat(*args)
Definition: z3py.py:3854
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...