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tactic Class Reference

#include <z3++.h>

Inheritance diagram for tactic:

Public Member Functions

 tactic (context &c, char const *name)
 tactic (context &c, Z3_tactic s)
 tactic (tactic const &s)
 ~tactic () override
 operator Z3_tactic () const
tacticoperator= (tactic const &s)
solver mk_solver () const
apply_result apply (goal const &g) const
apply_result operator() (goal const &g) const
std::string help () const
param_descrs get_param_descrs ()
Public Member Functions inherited from object
 object (context &c)
virtual ~object ()=default
contextctx () const
Z3_error_code check_error () const

Friends

tactic operator& (tactic const &t1, tactic const &t2)
tactic operator| (tactic const &t1, tactic const &t2)
tactic repeat (tactic const &t, unsigned max=UINT_MAX)
tactic with (tactic const &t, params const &p)
tactic try_for (tactic const &t, unsigned ms)
tactic par_or (unsigned n, tactic const *tactics)
tactic par_and_then (tactic const &t1, tactic const &t2)

Additional Inherited Members

Protected Attributes inherited from object
contextm_ctx

Detailed Description

Definition at line 3419 of file z3++.h.

Constructor & Destructor Documentation

◆ tactic() [1/3]

tactic ( context & c,
char const * name )
inline

Definition at line 3426 of file z3++.h.

3426:object(c) { Z3_tactic r = Z3_mk_tactic(c, name); check_error(); init(r); }
Z3_tactic Z3_API Z3_mk_tactic(Z3_context c, Z3_string name)
Return a tactic associated with the given name. The complete list of tactics may be obtained using th...

Referenced by operator&, operator=(), operator|, par_and_then, par_or, repeat, tactic(), try_for, and with.

◆ tactic() [2/3]

tactic ( context & c,
Z3_tactic s )
inline

Definition at line 3427 of file z3++.h.

3427:object(c) { init(s); }

◆ tactic() [3/3]

tactic ( tactic const & s)
inline

Definition at line 3428 of file z3++.h.

3428:object(s) { init(s.m_tactic); }

◆ ~tactic()

~tactic ( )
inlineoverride

Definition at line 3429 of file z3++.h.

3429{ Z3_tactic_dec_ref(ctx(), m_tactic); }
void Z3_API Z3_tactic_dec_ref(Z3_context c, Z3_tactic g)
Decrement the reference counter of the given tactic.

Member Function Documentation

◆ apply()

apply_result apply ( goal const & g) const
inline

Definition at line 3439 of file z3++.h.

3439 {
3440 check_context(*this, g);
3441 Z3_apply_result r = Z3_tactic_apply(ctx(), m_tactic, g);
3442 check_error();
3443 return apply_result(ctx(), r);
3444 }
Z3_apply_result Z3_API Z3_tactic_apply(Z3_context c, Z3_tactic t, Z3_goal g)
Apply tactic t to the goal g.
void check_context(object const &a, object const &b)
Definition z3++.h:564

Referenced by operator()().

◆ get_param_descrs()

param_descrs get_param_descrs ( )
inline

Definition at line 3456 of file z3++.h.

3456{ return param_descrs(ctx(), Z3_tactic_get_param_descrs(ctx(), m_tactic)); }
Z3_param_descrs Z3_API Z3_tactic_get_param_descrs(Z3_context c, Z3_tactic t)
Return the parameter description set for the given tactic object.

◆ help()

std::string help ( ) const
inline

Definition at line 3448 of file z3++.h.

3448{ char const * r = Z3_tactic_get_help(ctx(), m_tactic); check_error(); return r; }
Z3_string Z3_API Z3_tactic_get_help(Z3_context c, Z3_tactic t)
Return a string containing a description of parameters accepted by the given tactic.

◆ mk_solver()

solver mk_solver ( ) const
inline

Definition at line 3438 of file z3++.h.

3438{ Z3_solver r = Z3_mk_solver_from_tactic(ctx(), m_tactic); check_error(); return solver(ctx(), r); }
Z3_solver Z3_API Z3_mk_solver_from_tactic(Z3_context c, Z3_tactic t)
Create a new solver that is implemented using the given tactic. The solver supports the commands Z3_s...

◆ operator Z3_tactic()

operator Z3_tactic ( ) const
inline

Definition at line 3430 of file z3++.h.

3430{ return m_tactic; }

◆ operator()()

apply_result operator() ( goal const & g) const
inline

Definition at line 3445 of file z3++.h.

3445 {
3446 return apply(g);
3447 }

◆ operator=()

tactic & operator= ( tactic const & s)
inline

Definition at line 3431 of file z3++.h.

3431 {
3432 Z3_tactic_inc_ref(s.ctx(), s.m_tactic);
3433 Z3_tactic_dec_ref(ctx(), m_tactic);
3434 object::operator=(s);
3435 m_tactic = s.m_tactic;
3436 return *this;
3437 }
void Z3_API Z3_tactic_inc_ref(Z3_context c, Z3_tactic t)
Increment the reference counter of the given tactic.

◆ operator&

tactic operator& ( tactic const & t1,
tactic const & t2 )
friend

Definition at line 3459 of file z3++.h.

3459 {
3460 check_context(t1, t2);
3461 Z3_tactic r = Z3_tactic_and_then(t1.ctx(), t1, t2);
3462 t1.check_error();
3463 return tactic(t1.ctx(), r);
3464 }
Z3_tactic Z3_API Z3_tactic_and_then(Z3_context c, Z3_tactic t1, Z3_tactic t2)
Return a tactic that applies t1 to a given goal and t2 to every subgoal produced by t1.

◆ operator|

tactic operator| ( tactic const & t1,
tactic const & t2 )
friend

Definition at line 3466 of file z3++.h.

3466 {
3467 check_context(t1, t2);
3468 Z3_tactic r = Z3_tactic_or_else(t1.ctx(), t1, t2);
3469 t1.check_error();
3470 return tactic(t1.ctx(), r);
3471 }
Z3_tactic Z3_API Z3_tactic_or_else(Z3_context c, Z3_tactic t1, Z3_tactic t2)
Return a tactic that first applies t1 to a given goal, if it fails then returns the result of t2 appl...

◆ par_and_then

tactic par_and_then ( tactic const & t1,
tactic const & t2 )
friend

Definition at line 3498 of file z3++.h.

3498 {
3499 check_context(t1, t2);
3500 Z3_tactic r = Z3_tactic_par_and_then(t1.ctx(), t1, t2);
3501 t1.check_error();
3502 return tactic(t1.ctx(), r);
3503 }
Z3_tactic Z3_API Z3_tactic_par_and_then(Z3_context c, Z3_tactic t1, Z3_tactic t2)
Return a tactic that applies t1 to a given goal and then t2 to every subgoal produced by t1....

◆ par_or

tactic par_or ( unsigned n,
tactic const * tactics )
friend

Definition at line 3489 of file z3++.h.

3489 {
3490 if (n == 0) {
3491 Z3_THROW(exception("a non-zero number of tactics need to be passed to par_or"));
3492 }
3493 array<Z3_tactic> buffer(n);
3494 for (unsigned i = 0; i < n; ++i) buffer[i] = tactics[i];
3495 return tactic(tactics[0u].ctx(), Z3_tactic_par_or(tactics[0u].ctx(), n, buffer.ptr()));
3496 }
Z3_tactic Z3_API Z3_tactic_par_or(Z3_context c, unsigned num, Z3_tactic const ts[])
Return a tactic that applies the given tactics in parallel.
#define Z3_THROW(x)
Definition z3++.h:134

◆ repeat

tactic repeat ( tactic const & t,
unsigned max = UINT_MAX )
friend

Definition at line 3473 of file z3++.h.

3473 {
3474 Z3_tactic r = Z3_tactic_repeat(t.ctx(), t, max);
3475 t.check_error();
3476 return tactic(t.ctx(), r);
3477 }
Z3_tactic Z3_API Z3_tactic_repeat(Z3_context c, Z3_tactic t, unsigned max)
Return a tactic that keeps applying t until the goal is not modified anymore or the maximum number of...

◆ try_for

tactic try_for ( tactic const & t,
unsigned ms )
friend

Definition at line 3484 of file z3++.h.

3484 {
3485 Z3_tactic r = Z3_tactic_try_for(t.ctx(), t, ms);
3486 t.check_error();
3487 return tactic(t.ctx(), r);
3488 }
Z3_tactic Z3_API Z3_tactic_try_for(Z3_context c, Z3_tactic t, unsigned ms)
Return a tactic that applies t to a given goal for ms milliseconds. If t does not terminate in ms mil...

◆ with

tactic with ( tactic const & t,
params const & p )
friend

Definition at line 3479 of file z3++.h.

3479 {
3480 Z3_tactic r = Z3_tactic_using_params(t.ctx(), t, p);
3481 t.check_error();
3482 return tactic(t.ctx(), r);
3483 }
Z3_tactic Z3_API Z3_tactic_using_params(Z3_context c, Z3_tactic t, Z3_params p)
Return a tactic that applies t using the given set of parameters.