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 11972 of file z3py.py.
11972 def __init__(self, s, ctx=None):
11973 assert s is None or ctx is None
11974 ensure_prop_closures()
11975 self.solver = s
11976 self._ctx = None
11977 self.fresh_ctx = None
11978 self.cb = None
11979 self.id = _prop_closures.insert(self)
11980 self.fixed = None
11981 self.final = None
11982 self.eq = None
11983 self.diseq = None
11984 self.decide = None
11985 self.created = None
11986 self.binding = None
11987 if ctx:
11988 self.fresh_ctx = ctx
11989 if s:
11990 Z3_solver_propagate_init(self.ctx_ref(),
11991 s.solver,
11992 ctypes.c_void_p(self.id),
11993 _user_prop_push,
11994 _user_prop_pop,
11995 _user_prop_fresh)
11996
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 12068 of file z3py.py.
12068 def add(self, e):
12069 assert not self._ctx
12070 if self.solver:
12071 Z3_solver_propagate_register(self.ctx_ref(), self.solver.solver, e.ast)
12072 else:
12073 Z3_solver_propagate_register_cb(self.ctx_ref(), ctypes.c_void_p(self.cb), e.ast)
12074
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 12017 of file z3py.py.
12017 def add_created(self, created):
12018 assert not self.created
12019 assert not self._ctx
12020 if self.solver:
12021 Z3_solver_propagate_created(self.ctx_ref(), self.solver.solver, _user_prop_created)
12022 self.created = created
12023
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 12045 of file z3py.py.
12045 def add_decide(self, decide):
12046 assert not self.decide
12047 assert not self._ctx
12048 if self.solver:
12049 Z3_solver_propagate_decide(self.ctx_ref(), self.solver.solver, _user_prop_decide)
12050 self.decide = decide
12051
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 12038 of file z3py.py.
12038 def add_diseq(self, diseq):
12039 assert not self.diseq
12040 assert not self._ctx
12041 if self.solver:
12042 Z3_solver_propagate_diseq(self.ctx_ref(), self.solver.solver, _user_prop_diseq)
12043 self.diseq = diseq
12044
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 12031 of file z3py.py.
12031 def add_eq(self, eq):
12032 assert not self.eq
12033 assert not self._ctx
12034 if self.solver:
12035 Z3_solver_propagate_eq(self.ctx_ref(), self.solver.solver, _user_prop_eq)
12036 self.eq = eq
12037
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 12024 of file z3py.py.
12024 def add_final(self, final):
12025 assert not self.final
12026 assert not self._ctx
12027 if self.solver:
12028 Z3_solver_propagate_final(self.ctx_ref(), self.solver.solver, _user_prop_final)
12029 self.final = final
12030
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 12010 of file z3py.py.
12010 def add_fixed(self, fixed):
12011 assert not self.fixed
12012 assert not self._ctx
12013 if self.solver:
12014 Z3_solver_propagate_fixed(self.ctx_ref(), self.solver.solver, _user_prop_fixed)
12015 self.fixed = fixed
12016
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 12052 of file z3py.py.
12052 def add_on_binding(self, binding):
12053 assert not self.binding
12054 assert not self._ctx
12055 if self.solver:
12056 Z3_solver_propagate_on_binding(self.ctx_ref(), self.solver.solver, _user_prop_binding)
12057 self.binding = binding
12058
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 12086 of file z3py.py.
12086 def propagate(self, e, ids, eqs=[]):
12087 _ids, num_fixed = _to_ast_array(ids)
12088 num_eqs = len(eqs)
12089 _lhs, _num_lhs = _to_ast_array([x for x, y in eqs])
12090 _rhs, _num_rhs = _to_ast_array([y for x, y in eqs])
12092 self.cb), num_fixed, _ids, num_eqs, _lhs, _rhs, e.ast)
12093
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 11982 of file z3py.py.
Referenced by AstRef.__eq__(), and SortRef.cast().
◆ final
◆ fixed
◆ fresh_ctx
◆ id
◆ solver
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