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 11877 of file z3py.py.
11877 def __init__(self, s, ctx=None):
11878 assert s is None or ctx is None
11879 ensure_prop_closures()
11880 self.solver = s
11881 self._ctx = None
11882 self.fresh_ctx = None
11883 self.cb = None
11884 self.id = _prop_closures.insert(self)
11885 self.fixed = None
11886 self.final = None
11887 self.eq = None
11888 self.diseq = None
11889 self.decide = None
11890 self.created = None
11891 self.binding = None
11892 if ctx:
11893 self.fresh_ctx = ctx
11894 if s:
11895 Z3_solver_propagate_init(self.ctx_ref(),
11896 s.solver,
11897 ctypes.c_void_p(self.id),
11898 _user_prop_push,
11899 _user_prop_pop,
11900 _user_prop_fresh)
11901
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 11973 of file z3py.py.
11973 def add(self, e):
11974 assert not self._ctx
11975 if self.solver:
11976 Z3_solver_propagate_register(self.ctx_ref(), self.solver.solver, e.ast)
11977 else:
11978 Z3_solver_propagate_register_cb(self.ctx_ref(), ctypes.c_void_p(self.cb), e.ast)
11979
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 11922 of file z3py.py.
11922 def add_created(self, created):
11923 assert not self.created
11924 assert not self._ctx
11925 if self.solver:
11926 Z3_solver_propagate_created(self.ctx_ref(), self.solver.solver, _user_prop_created)
11927 self.created = created
11928
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 11950 of file z3py.py.
11950 def add_decide(self, decide):
11951 assert not self.decide
11952 assert not self._ctx
11953 if self.solver:
11954 Z3_solver_propagate_decide(self.ctx_ref(), self.solver.solver, _user_prop_decide)
11955 self.decide = decide
11956
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 11943 of file z3py.py.
11943 def add_diseq(self, diseq):
11944 assert not self.diseq
11945 assert not self._ctx
11946 if self.solver:
11947 Z3_solver_propagate_diseq(self.ctx_ref(), self.solver.solver, _user_prop_diseq)
11948 self.diseq = diseq
11949
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 11936 of file z3py.py.
11936 def add_eq(self, eq):
11937 assert not self.eq
11938 assert not self._ctx
11939 if self.solver:
11940 Z3_solver_propagate_eq(self.ctx_ref(), self.solver.solver, _user_prop_eq)
11941 self.eq = eq
11942
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 11929 of file z3py.py.
11929 def add_final(self, final):
11930 assert not self.final
11931 assert not self._ctx
11932 if self.solver:
11933 Z3_solver_propagate_final(self.ctx_ref(), self.solver.solver, _user_prop_final)
11934 self.final = final
11935
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 11915 of file z3py.py.
11915 def add_fixed(self, fixed):
11916 assert not self.fixed
11917 assert not self._ctx
11918 if self.solver:
11919 Z3_solver_propagate_fixed(self.ctx_ref(), self.solver.solver, _user_prop_fixed)
11920 self.fixed = fixed
11921
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 11957 of file z3py.py.
11957 def add_on_binding(self, binding):
11958 assert not self.binding
11959 assert not self._ctx
11960 if self.solver:
11961 Z3_solver_propagate_on_binding(self.ctx_ref(), self.solver.solver, _user_prop_binding)
11962 self.binding = binding
11963
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 11991 of file z3py.py.
11991 def propagate(self, e, ids, eqs=[]):
11992 _ids, num_fixed = _to_ast_array(ids)
11993 num_eqs = len(eqs)
11994 _lhs, _num_lhs = _to_ast_array([x for x, y in eqs])
11995 _rhs, _num_rhs = _to_ast_array([y for x, y in eqs])
11997 self.cb), num_fixed, _ids, num_eqs, _lhs, _rhs, e.ast)
11998
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 11887 of file z3py.py.
Referenced by AstRef.__eq__(), and SortRef.cast().
◆ final
◆ fixed
◆ fresh_ctx
◆ id
◆ solver
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