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

Public Member Functions

def as_ast
 
def get_id
 
def kind
 
def subsort
 
def cast
 
def name
 
def __eq__
 
def __ne__
 
- Public Member Functions inherited from AstRef
def __init__
 
def __del__
 
def __str__
 
def __repr__
 
def sexpr
 
def as_ast
 
def get_id
 
def ctx_ref
 
def eq
 
def translate
 
def hash
 
- Public Member Functions inherited from Z3PPObject
def use_pp
 

Additional Inherited Members

- Data Fields inherited from AstRef
 ast
 
 ctx
 

Detailed Description

A Sort is essentially a type. Every Z3 expression has a sort. A sort is an AST node.

Definition at line 450 of file z3py.py.

Member Function Documentation

def __eq__ (   self,
  other 
)
Return `True` if `self` and `other` are the same Z3 sort.

>>> p = Bool('p')
>>> p.sort() == BoolSort()
True
>>> p.sort() == IntSort()
False

Definition at line 508 of file z3py.py.

Referenced by CheckSatResult.__ne__(), and Probe.__ne__().

509  def __eq__(self, other):
510  """Return `True` if `self` and `other` are the same Z3 sort.
511 
512  >>> p = Bool('p')
513  >>> p.sort() == BoolSort()
514  True
515  >>> p.sort() == IntSort()
516  False
517  """
518  if other == None:
519  return False
520  return Z3_is_eq_sort(self.ctx_ref(), self.ast, other.ast)
def __eq__
Definition: z3py.py:508
def ctx_ref
Definition: z3py.py:305
Z3_bool Z3_API Z3_is_eq_sort(__in Z3_context c, __in Z3_sort s1, __in Z3_sort s2)
compare sorts.
def __ne__ (   self,
  other 
)
Return `True` if `self` and `other` are not the same Z3 sort.

>>> p = Bool('p')
>>> p.sort() != BoolSort()
False
>>> p.sort() != IntSort()
True

Definition at line 521 of file z3py.py.

522  def __ne__(self, other):
523  """Return `True` if `self` and `other` are not the same Z3 sort.
524 
525  >>> p = Bool('p')
526  >>> p.sort() != BoolSort()
527  False
528  >>> p.sort() != IntSort()
529  True
530  """
531  return not Z3_is_eq_sort(self.ctx_ref(), self.ast, other.ast)
def __ne__
Definition: z3py.py:521
def ctx_ref
Definition: z3py.py:305
Z3_bool Z3_API Z3_is_eq_sort(__in Z3_context c, __in Z3_sort s1, __in Z3_sort s2)
compare sorts.
def as_ast (   self)

Definition at line 452 of file z3py.py.

453  def as_ast(self):
454  return Z3_sort_to_ast(self.ctx_ref(), self.ast)
Z3_ast Z3_API Z3_sort_to_ast(__in Z3_context c, __in Z3_sort s)
Convert a Z3_sort into Z3_ast. This is just type casting.
def as_ast
Definition: z3py.py:452
def ctx_ref
Definition: z3py.py:305
def cast (   self,
  val 
)
Try to cast `val` as an element of sort `self`. 

This method is used in Z3Py to convert Python objects such as integers,
floats, longs and strings into Z3 expressions.

>>> x = Int('x')
>>> RealSort().cast(x)
ToReal(x)

Definition at line 483 of file z3py.py.

484  def cast(self, val):
485  """Try to cast `val` as an element of sort `self`.
486 
487  This method is used in Z3Py to convert Python objects such as integers,
488  floats, longs and strings into Z3 expressions.
489 
490  >>> x = Int('x')
491  >>> RealSort().cast(x)
492  ToReal(x)
493  """
494  if __debug__:
495  _z3_assert(is_expr(val), "Z3 expression expected")
496  _z3_assert(self.eq(val.sort()), "Sort mismatch")
497  return val
def eq
Definition: z3py.py:309
def is_expr
Definition: z3py.py:950
def cast
Definition: z3py.py:483
def get_id (   self)

Definition at line 455 of file z3py.py.

456  def get_id(self):
457  return Z3_get_ast_id(self.ctx_ref(), self.as_ast())
458 
unsigned Z3_API Z3_get_ast_id(__in Z3_context c, Z3_ast t)
Return a unique identifier for t.
def as_ast
Definition: z3py.py:296
def ctx_ref
Definition: z3py.py:305
def get_id
Definition: z3py.py:455
def kind (   self)
Return the Z3 internal kind of a sort. This method can be used to test if `self` is one of the Z3 builtin sorts.

>>> b = BoolSort()
>>> b.kind() == Z3_BOOL_SORT
True
>>> b.kind() == Z3_INT_SORT
False
>>> A = ArraySort(IntSort(), IntSort())
>>> A.kind() == Z3_ARRAY_SORT
True
>>> A.kind() == Z3_INT_SORT
False

Definition at line 459 of file z3py.py.

Referenced by ArithSortRef.is_int(), and ArithSortRef.is_real().

460  def kind(self):
461  """Return the Z3 internal kind of a sort. This method can be used to test if `self` is one of the Z3 builtin sorts.
462 
463  >>> b = BoolSort()
464  >>> b.kind() == Z3_BOOL_SORT
465  True
466  >>> b.kind() == Z3_INT_SORT
467  False
468  >>> A = ArraySort(IntSort(), IntSort())
469  >>> A.kind() == Z3_ARRAY_SORT
470  True
471  >>> A.kind() == Z3_INT_SORT
472  False
473  """
474  return _sort_kind(self.ctx, self.ast)
def kind
Definition: z3py.py:459
def name (   self)
Return the name (string) of sort `self`.

>>> BoolSort().name()
'Bool'
>>> ArraySort(IntSort(), IntSort()).name()
'Array'

Definition at line 498 of file z3py.py.

499  def name(self):
500  """Return the name (string) of sort `self`.
501 
502  >>> BoolSort().name()
503  'Bool'
504  >>> ArraySort(IntSort(), IntSort()).name()
505  'Array'
506  """
507  return _symbol2py(self.ctx, Z3_get_sort_name(self.ctx_ref(), self.ast))
Z3_symbol Z3_API Z3_get_sort_name(__in Z3_context c, __in Z3_sort d)
Return the sort name as a symbol.
def name
Definition: z3py.py:498
def ctx_ref
Definition: z3py.py:305
def subsort (   self,
  other 
)
Return `True` if `self` is a subsort of `other`. 

>>> IntSort().subsort(RealSort())
True

Definition at line 475 of file z3py.py.

476  def subsort(self, other):
477  """Return `True` if `self` is a subsort of `other`.
478 
479  >>> IntSort().subsort(RealSort())
480  True
481  """
482  return False
def subsort
Definition: z3py.py:475