Z3
Public Member Functions
ArrayRef Class Reference
+ Inheritance diagram for ArrayRef:

Public Member Functions

def sort (self)
 
def domain (self)
 
def range (self)
 
def __getitem__ (self, arg)
 
def default (self)
 
- 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

Array expressions. 

Definition at line 4507 of file z3py.py.

Member Function Documentation

◆ __getitem__()

def __getitem__ (   self,
  arg 
)
Return the Z3 expression `self[arg]`.

>>> a = Array('a', IntSort(), BoolSort())
>>> i = Int('i')
>>> a[i]
a[i]
>>> a[i].sexpr()
'(select a i)'

Definition at line 4537 of file z3py.py.

4537  def __getitem__(self, arg):
4538  """Return the Z3 expression `self[arg]`.
4539 
4540  >>> a = Array('a', IntSort(), BoolSort())
4541  >>> i = Int('i')
4542  >>> a[i]
4543  a[i]
4544  >>> a[i].sexpr()
4545  '(select a i)'
4546  """
4547  arg = self.domain().cast(arg)
4548  return _to_expr_ref(Z3_mk_select(self.ctx_ref(), self.as_ast(), arg.as_ast()), self.ctx)
4549 
Z3_ast Z3_API Z3_mk_select(Z3_context c, Z3_ast a, Z3_ast i)
Array read. The argument a is the array and i is the index of the array that gets read.

◆ default()

def default (   self)

Definition at line 4550 of file z3py.py.

4550  def default(self):
4551  return _to_expr_ref(Z3_mk_array_default(self.ctx_ref(), self.as_ast()), self.ctx)
4552 
4553 
Z3_ast Z3_API Z3_mk_array_default(Z3_context c, Z3_ast array)
Access the array default value. Produces the default range value, for arrays that can be represented ...

◆ domain()

def domain (   self)
Shorthand for `self.sort().domain()`.

>>> a = Array('a', IntSort(), BoolSort())
>>> a.domain()
Int

Definition at line 4519 of file z3py.py.

4519  def domain(self):
4520  """Shorthand for `self.sort().domain()`.
4521 
4522  >>> a = Array('a', IntSort(), BoolSort())
4523  >>> a.domain()
4524  Int
4525  """
4526  return self.sort().domain()
4527 

Referenced by FuncDeclRef.__call__(), and ArrayRef.__getitem__().

◆ range()

def range (   self)
Shorthand for `self.sort().range()`.

>>> a = Array('a', IntSort(), BoolSort())
>>> a.range()
Bool

Definition at line 4528 of file z3py.py.

4528  def range(self):
4529  """Shorthand for `self.sort().range()`.
4530 
4531  >>> a = Array('a', IntSort(), BoolSort())
4532  >>> a.range()
4533  Bool
4534  """
4535  return self.sort().range()
4536 
expr range(expr const &lo, expr const &hi)
Definition: z3++.h:3810

◆ sort()

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

>>> a = Array('a', IntSort(), BoolSort())
>>> a.sort()
Array(Int, Bool)

Reimplemented from ExprRef.

Definition at line 4510 of file z3py.py.

4510  def sort(self):
4511  """Return the array sort of the array expression `self`.
4512 
4513  >>> a = Array('a', IntSort(), BoolSort())
4514  >>> a.sort()
4515  Array(Int, Bool)
4516  """
4517  return ArraySortRef(Z3_get_sort(self.ctx_ref(), self.as_ast()), self.ctx)
4518 
Z3_sort Z3_API Z3_get_sort(Z3_context c, Z3_ast a)
Return the sort of an AST node.

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().