UserPropagateBase Class Reference
Public Member Functions | |
| __init__ (self, s, ctx=None) | |
| __del__ (self) | |
| ctx (self) | |
| ctx_ref (self) | |
| add_fixed (self, fixed) | |
| add_created (self, created) | |
| add_final (self, final) | |
| add_eq (self, eq) | |
| add_diseq (self, diseq) | |
| add_decide (self, decide) | |
| add_on_binding (self, binding) | |
| push (self) | |
| pop (self, num_scopes) | |
| fresh (self, new_ctx) | |
| add (self, e) | |
| next_split (self, t, idx, phase) | |
| propagate (self, e, ids, eqs=[]) | |
| conflict (self, deps=[], eqs=[]) | |
Data Fields | |
| solver = s | |
| fresh_ctx = None | |
| cb = None | |
| id = _prop_closures.insert(self) | |
| fixed = None | |
| final = None | |
| eq = None | |
| diseq = None | |
| decide = None | |
| created = None | |
| binding = None | |
Protected Attributes | |
| _ctx = None | |
Detailed Description
Constructor & Destructor Documentation
◆ __init__()
| __init__ | ( | self, | |
| s, | |||
| ctx = None ) |
Definition at line 12451 of file z3py.py.
12451 def __init__(self, s, ctx=None):
12452 assert s is None or ctx is None
12453 ensure_prop_closures()
12454 self.solver = s
12455 self._ctx = None
12456 self.fresh_ctx = None
12457 self.cb = None
12458 self.id = _prop_closures.insert(self)
12459 self.fixed = None
12460 self.final = None
12461 self.eq = None
12462 self.diseq = None
12463 self.decide = None
12464 self.created = None
12465 self.binding = None
12466 if ctx:
12467 self.fresh_ctx = ctx
12468 if s:
12469 Z3_solver_propagate_init(self.ctx_ref(),
12470 s.solver,
12471 ctypes.c_void_p(self.id),
12472 _user_prop_push,
12473 _user_prop_pop,
12474 _user_prop_fresh)
12475
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-propagator with the solver.
◆ __del__()
| __del__ | ( | self | ) |
Member Function Documentation
◆ add()
| add | ( | self, | |
| e ) |
Definition at line 12561 of file z3py.py.
12561 def add(self, e):
12562 if self._ctx:
12563 raise Z3Exception("context already initialized")
12564 if self.solver:
12565 Z3_solver_propagate_register(self.ctx_ref(), self.solver.solver, e.ast)
12566 else:
12567 Z3_solver_propagate_register_cb(self.ctx_ref(), ctypes.c_void_p(self.cb), e.ast)
12568
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...
◆ add_created()
| add_created | ( | self, | |
| created ) |
Definition at line 12498 of file z3py.py.
12498 def add_created(self, created):
12499 if self.created:
12500 raise Z3Exception("created callback already registered")
12501 if self._ctx:
12502 raise Z3Exception("context already initialized")
12503 if self.solver:
12504 Z3_solver_propagate_created(self.ctx_ref(), self.solver.solver, _user_prop_created)
12505 self.created = created
12506
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...
◆ add_decide()
| add_decide | ( | self, | |
| decide ) |
Definition at line 12534 of file z3py.py.
12534 def add_decide(self, decide):
12535 if self.decide:
12536 raise Z3Exception("decide callback already registered")
12537 if self._ctx:
12538 raise Z3Exception("context already initialized")
12539 if self.solver:
12540 Z3_solver_propagate_decide(self.ctx_ref(), self.solver.solver, _user_prop_decide)
12541 self.decide = decide
12542
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 cha...
◆ add_diseq()
| add_diseq | ( | self, | |
| diseq ) |
Definition at line 12525 of file z3py.py.
12525 def add_diseq(self, diseq):
12526 if self.diseq:
12527 raise Z3Exception("diseq callback already registered")
12528 if self._ctx:
12529 raise Z3Exception("context already initialized")
12530 if self.solver:
12531 Z3_solver_propagate_diseq(self.ctx_ref(), self.solver.solver, _user_prop_diseq)
12532 self.diseq = diseq
12533
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.
◆ add_eq()
| add_eq | ( | self, | |
| eq ) |
Definition at line 12516 of file z3py.py.
12516 def add_eq(self, eq):
12517 if self.eq:
12518 raise Z3Exception("eq callback already registered")
12519 if self._ctx:
12520 raise Z3Exception("context already initialized")
12521 if self.solver:
12522 Z3_solver_propagate_eq(self.ctx_ref(), self.solver.solver, _user_prop_eq)
12523 self.eq = eq
12524
void Z3_API Z3_solver_propagate_eq(Z3_context c, Z3_solver s, Z3_eq_eh eq_eh)
register a callback on expression equalities.
◆ add_final()
| add_final | ( | self, | |
| final ) |
Definition at line 12507 of file z3py.py.
12507 def add_final(self, final):
12508 if self.final:
12509 raise Z3Exception("final callback already registered")
12510 if self._ctx:
12511 raise Z3Exception("context already initialized")
12512 if self.solver:
12513 Z3_solver_propagate_final(self.ctx_ref(), self.solver.solver, _user_prop_final)
12514 self.final = final
12515
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...
◆ add_fixed()
| add_fixed | ( | self, | |
| fixed ) |
Definition at line 12489 of file z3py.py.
12489 def add_fixed(self, fixed):
12490 if self.fixed:
12491 raise Z3Exception("fixed callback already registered")
12492 if self._ctx:
12493 raise Z3Exception("context already initialized")
12494 if self.solver:
12495 Z3_solver_propagate_fixed(self.ctx_ref(), self.solver.solver, _user_prop_fixed)
12496 self.fixed = fixed
12497
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 ...
◆ add_on_binding()
| add_on_binding | ( | self, | |
| binding ) |
Definition at line 12543 of file z3py.py.
12543 def add_on_binding(self, binding):
12544 if self.binding:
12545 raise Z3Exception("binding callback already registered")
12546 if self._ctx:
12547 raise Z3Exception("context already initialized")
12548 if self.solver:
12549 Z3_solver_propagate_on_binding(self.ctx_ref(), self.solver.solver, _user_prop_binding)
12550 self.binding = binding
12551
void Z3_API Z3_solver_propagate_on_binding(Z3_context c, Z3_solver s, Z3_on_binding_eh on_binding_eh)
register a callback when the solver instantiates a quantifier. If the callback returns false,...
◆ conflict()
| conflict | ( | self, | |
| deps = [], | |||
| eqs = [] ) |
◆ ctx()
| ctx | ( | self | ) |
◆ ctx_ref()
| ctx_ref | ( | self | ) |
◆ fresh()
| fresh | ( | self, | |
| new_ctx ) |
◆ next_split()
| next_split | ( | self, | |
| t, | |||
| idx, | |||
| phase ) |
◆ pop()
| pop | ( | self, | |
| num_scopes ) |
◆ propagate()
| propagate | ( | self, | |
| e, | |||
| ids, | |||
| eqs = [] ) |
Definition at line 12580 of file z3py.py.
12580 def propagate(self, e, ids, eqs=[]):
12581 _ids, num_fixed = _to_ast_array(ids)
12582 num_eqs = len(eqs)
12583 _lhs, _num_lhs = _to_ast_array([x for x, y in eqs])
12584 _rhs, _num_rhs = _to_ast_array([y for x, y in eqs])
12586 self.cb), num_fixed, _ids, num_eqs, _lhs, _rhs, e.ast)
12587
bool 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 and equalities. A client may invoke it during the pro...
◆ push()
| push | ( | self | ) |
Field Documentation
◆ _ctx
◆ binding
◆ cb
◆ created
◆ decide
◆ diseq
◆ eq
| eq = None |
Definition at line 12461 of file z3py.py.
Referenced by AstRef.__eq__(), FiniteSetSortRef.cast(), and SortRef.cast().
◆ final
◆ fixed
◆ fresh_ctx
◆ id
◆ solver
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1.17.0