Z3
Public Member Functions | Data Fields
UserPropagateBase Class Reference

Public Member Functions

def __init__
 
def __del__ (self)
 
def ctx (self)
 
def ctx_ref (self)
 
def add_fixed (self, fixed)
 
def add_created (self, created)
 
def add_final (self, final)
 
def add_eq (self, eq)
 
def add_diseq (self, diseq)
 
def add_decide (self, decide)
 
def push (self)
 
def pop (self, num_scopes)
 
def fresh (self, new_ctx)
 
def add (self, e)
 
def next_split (self, t, idx, phase)
 
def propagate
 
def conflict
 

Data Fields

 solver
 
 fresh_ctx
 
 cb
 
 id
 
 fixed
 
 final
 
 eq
 
 diseq
 
 created
 
 decide
 

Detailed Description

Definition at line 11572 of file z3py.py.

Constructor & Destructor Documentation

def __init__ (   self,
  s,
  ctx = None 
)

Definition at line 11581 of file z3py.py.

11581  def __init__(self, s, ctx=None):
11582  assert s is None or ctx is None
11584  self.solver = s
11585  self._ctx = None
11586  self.fresh_ctx = None
11587  self.cb = None
11588  self.id = _prop_closures.insert(self)
11589  self.fixed = None
11590  self.final = None
11591  self.eq = None
11592  self.diseq = None
11593  self.created = None
11594  if ctx:
11595  self.fresh_ctx = ctx
11596  if s:
11598  s.solver,
11599  ctypes.c_void_p(self.id),
11600  _user_prop_push,
11601  _user_prop_pop,
11602  _user_prop_fresh)
11603 
def ensure_prop_closures()
Definition: z3py.py:11456
def ctx_ref(self)
Definition: z3py.py:11614
void Z3_API Z3_solver_propagate_init(Z3_context c, Z3_solver s, void *user_context, Z3_push_eh push_eh, Z3_pop_eh pop_eh, Z3_fresh_eh fresh_eh)
register a user-properator with the solver.
def __del__ (   self)

Definition at line 11604 of file z3py.py.

11604  def __del__(self):
11605  if self._ctx:
11606  self._ctx.ctx = None
11607 
def __del__(self)
Definition: z3py.py:11604

Member Function Documentation

def add (   self,
  e 
)

Definition at line 11668 of file z3py.py.

11668  def add(self, e):
11669  assert not self._ctx
11670  if self.solver:
11671  Z3_solver_propagate_register(self.ctx_ref(), self.solver.solver, e.ast)
11672  else:
11673  Z3_solver_propagate_register_cb(self.ctx_ref(), ctypes.c_void_p(self.cb), e.ast)
11674 
void Z3_API Z3_solver_propagate_register_cb(Z3_context c, Z3_solver_callback cb, Z3_ast e)
register an expression to propagate on with the solver. Only expressions of type Bool and type Bit-Ve...
void Z3_API Z3_solver_propagate_register(Z3_context c, Z3_solver s, Z3_ast e)
register an expression to propagate on with the solver. Only expressions of type Bool and type Bit-Ve...
def ctx_ref(self)
Definition: z3py.py:11614
def add(self, e)
Definition: z3py.py:11668
def add_created (   self,
  created 
)

Definition at line 11624 of file z3py.py.

11624  def add_created(self, created):
11625  assert not self.created
11626  assert not self._ctx
11627  if self.solver:
11628  Z3_solver_propagate_created(self.ctx_ref(), self.solver.solver, _user_prop_created)
11629  self.created = created
11630 
void Z3_API Z3_solver_propagate_created(Z3_context c, Z3_solver s, Z3_created_eh created_eh)
register a callback when a new expression with a registered function is used by the solver The regist...
def ctx_ref(self)
Definition: z3py.py:11614
def add_created(self, created)
Definition: z3py.py:11624
def add_decide (   self,
  decide 
)

Definition at line 11652 of file z3py.py.

11652  def add_decide(self, decide):
11653  assert not self.decide
11654  assert not self._ctx
11655  if self.solver:
11656  Z3_solver_propagate_decide(self.ctx_ref(), self.solver.solver, _user_prop_decide)
11657  self.decide = decide
11658 
def add_decide(self, decide)
Definition: z3py.py:11652
void Z3_API Z3_solver_propagate_decide(Z3_context c, Z3_solver s, Z3_decide_eh decide_eh)
register a callback when the solver decides to split on a registered expression. The callback may set...
def ctx_ref(self)
Definition: z3py.py:11614
def add_diseq (   self,
  diseq 
)

Definition at line 11645 of file z3py.py.

11645  def add_diseq(self, diseq):
11646  assert not self.diseq
11647  assert not self._ctx
11648  if self.solver:
11649  Z3_solver_propagate_diseq(self.ctx_ref(), self.solver.solver, _user_prop_diseq)
11650  self.diseq = diseq
11651 
def add_diseq(self, diseq)
Definition: z3py.py:11645
void Z3_API Z3_solver_propagate_diseq(Z3_context c, Z3_solver s, Z3_eq_eh eq_eh)
register a callback on expression dis-equalities.
def ctx_ref(self)
Definition: z3py.py:11614
def add_eq (   self,
  eq 
)

Definition at line 11638 of file z3py.py.

11638  def add_eq(self, eq):
11639  assert not self.eq
11640  assert not self._ctx
11641  if self.solver:
11642  Z3_solver_propagate_eq(self.ctx_ref(), self.solver.solver, _user_prop_eq)
11643  self.eq = eq
11644 
def add_eq(self, eq)
Definition: z3py.py:11638
def ctx_ref(self)
Definition: z3py.py:11614
void Z3_API Z3_solver_propagate_eq(Z3_context c, Z3_solver s, Z3_eq_eh eq_eh)
register a callback on expression equalities.
def add_final (   self,
  final 
)

Definition at line 11631 of file z3py.py.

11631  def add_final(self, final):
11632  assert not self.final
11633  assert not self._ctx
11634  if self.solver:
11635  Z3_solver_propagate_final(self.ctx_ref(), self.solver.solver, _user_prop_final)
11636  self.final = final
11637 
def add_final(self, final)
Definition: z3py.py:11631
void Z3_API Z3_solver_propagate_final(Z3_context c, Z3_solver s, Z3_final_eh final_eh)
register a callback on final check. This provides freedom to the propagator to delay actions or imple...
def ctx_ref(self)
Definition: z3py.py:11614
def add_fixed (   self,
  fixed 
)

Definition at line 11617 of file z3py.py.

11617  def add_fixed(self, fixed):
11618  assert not self.fixed
11619  assert not self._ctx
11620  if self.solver:
11621  Z3_solver_propagate_fixed(self.ctx_ref(), self.solver.solver, _user_prop_fixed)
11622  self.fixed = fixed
11623 
void Z3_API Z3_solver_propagate_fixed(Z3_context c, Z3_solver s, Z3_fixed_eh fixed_eh)
register a callback for when an expression is bound to a fixed value. The supported expression types ...
def add_fixed(self, fixed)
Definition: z3py.py:11617
def ctx_ref(self)
Definition: z3py.py:11614
def conflict (   self,
  deps = [],
  eqs = [] 
)

Definition at line 11694 of file z3py.py.

11694  def conflict(self, deps = [], eqs = []):
11695  self.propagate(BoolVal(False, self.ctx()), deps, eqs)
11696 
def BoolVal
Definition: z3py.py:1705
def ctx (   self)

Definition at line 11608 of file z3py.py.

Referenced by UserPropagateBase.conflict().

11608  def ctx(self):
11609  if self.fresh_ctx:
11610  return self.fresh_ctx
11611  else:
11612  return self.solver.ctx
11613 
def fresh (   self,
  new_ctx 
)

Definition at line 11665 of file z3py.py.

11665  def fresh(self, new_ctx):
11666  raise Z3Exception("fresh needs to be overwritten")
11667 
def fresh(self, new_ctx)
Definition: z3py.py:11665
def next_split (   self,
  t,
  idx,
  phase 
)

Definition at line 11680 of file z3py.py.

11680  def next_split(self, t, idx, phase):
11681  Z3_solver_next_split(self.ctx_ref(), ctypes.c_void_p(self.cb), t.ast, idx, phase)
11682 
void Z3_API Z3_solver_next_split(Z3_context c, Z3_solver_callback cb, Z3_ast t, unsigned idx, Z3_lbool phase)
def next_split(self, t, idx, phase)
Definition: z3py.py:11680
def ctx_ref(self)
Definition: z3py.py:11614
def pop (   self,
  num_scopes 
)

Definition at line 11662 of file z3py.py.

11662  def pop(self, num_scopes):
11663  raise Z3Exception("pop needs to be overwritten")
11664 
def pop(self, num_scopes)
Definition: z3py.py:11662
def propagate (   self,
  e,
  ids,
  eqs = [] 
)

Definition at line 11686 of file z3py.py.

Referenced by UserPropagateBase.conflict().

11686  def propagate(self, e, ids, eqs=[]):
11687  _ids, num_fixed = _to_ast_array(ids)
11688  num_eqs = len(eqs)
11689  _lhs, _num_lhs = _to_ast_array([x for x, y in eqs])
11690  _rhs, _num_rhs = _to_ast_array([y for x, y in eqs])
11691  Z3_solver_propagate_consequence(e.ctx.ref(), ctypes.c_void_p(
11692  self.cb), num_fixed, _ids, num_eqs, _lhs, _rhs, e.ast)
11693 
void Z3_API Z3_solver_propagate_consequence(Z3_context c, Z3_solver_callback cb, unsigned num_fixed, Z3_ast const *fixed, unsigned num_eqs, Z3_ast const *eq_lhs, Z3_ast const *eq_rhs, Z3_ast conseq)
propagate a consequence based on fixed values. This is a callback a client may invoke during the fixe...
def push (   self)

Definition at line 11659 of file z3py.py.

11659  def push(self):
11660  raise Z3Exception("push needs to be overwritten")
11661 

Field Documentation

created

Definition at line 11593 of file z3py.py.

Referenced by UserPropagateBase.add_created().

decide

Definition at line 11657 of file z3py.py.

Referenced by UserPropagateBase.add_decide().

diseq

Definition at line 11592 of file z3py.py.

Referenced by UserPropagateBase.add_diseq().

eq

Definition at line 11591 of file z3py.py.

Referenced by AstRef.__eq__(), UserPropagateBase.add_eq(), SortRef.cast(), and BoolSortRef.cast().

final

Definition at line 11590 of file z3py.py.

Referenced by UserPropagateBase.add_final().

fixed

Definition at line 11589 of file z3py.py.

Referenced by UserPropagateBase.add_fixed().

fresh_ctx

Definition at line 11586 of file z3py.py.

Referenced by UserPropagateBase.ctx().

id

Definition at line 11588 of file z3py.py.