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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 3297 of file z3++.h.

Constructor & Destructor Documentation

◆ tactic() [1/3]

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

Definition at line 3304 of file z3++.h.

3304: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 3305 of file z3++.h.

3305:object(c) { init(s); }

◆ tactic() [3/3]

tactic ( tactic const & s)
inline

Definition at line 3306 of file z3++.h.

3306:object(s) { init(s.m_tactic); }

◆ ~tactic()

~tactic ( )
inlineoverride

Definition at line 3307 of file z3++.h.

3307{ 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 3317 of file z3++.h.

3317 {
3318 check_context(*this, g);
3319 Z3_apply_result r = Z3_tactic_apply(ctx(), m_tactic, g);
3320 check_error();
3321 return apply_result(ctx(), r);
3322 }
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:548

Referenced by operator()().

◆ get_param_descrs()

param_descrs get_param_descrs ( )
inline

Definition at line 3334 of file z3++.h.

3334{ 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 3326 of file z3++.h.

3326{ 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 3316 of file z3++.h.

3316{ 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 3308 of file z3++.h.

3308{ return m_tactic; }

◆ operator()()

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

Definition at line 3323 of file z3++.h.

3323 {
3324 return apply(g);
3325 }

◆ operator=()

tactic & operator= ( tactic const & s)
inline

Definition at line 3309 of file z3++.h.

3309 {
3310 Z3_tactic_inc_ref(s.ctx(), s.m_tactic);
3311 Z3_tactic_dec_ref(ctx(), m_tactic);
3312 object::operator=(s);
3313 m_tactic = s.m_tactic;
3314 return *this;
3315 }
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 3337 of file z3++.h.

3337 {
3338 check_context(t1, t2);
3339 Z3_tactic r = Z3_tactic_and_then(t1.ctx(), t1, t2);
3340 t1.check_error();
3341 return tactic(t1.ctx(), r);
3342 }
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 3344 of file z3++.h.

3344 {
3345 check_context(t1, t2);
3346 Z3_tactic r = Z3_tactic_or_else(t1.ctx(), t1, t2);
3347 t1.check_error();
3348 return tactic(t1.ctx(), r);
3349 }
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 3376 of file z3++.h.

3376 {
3377 check_context(t1, t2);
3378 Z3_tactic r = Z3_tactic_par_and_then(t1.ctx(), t1, t2);
3379 t1.check_error();
3380 return tactic(t1.ctx(), r);
3381 }
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 3367 of file z3++.h.

3367 {
3368 if (n == 0) {
3369 Z3_THROW(exception("a non-zero number of tactics need to be passed to par_or"));
3370 }
3371 array<Z3_tactic> buffer(n);
3372 for (unsigned i = 0; i < n; ++i) buffer[i] = tactics[i];
3373 return tactic(tactics[0u].ctx(), Z3_tactic_par_or(tactics[0u].ctx(), n, buffer.ptr()));
3374 }
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 3351 of file z3++.h.

3351 {
3352 Z3_tactic r = Z3_tactic_repeat(t.ctx(), t, max);
3353 t.check_error();
3354 return tactic(t.ctx(), r);
3355 }
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 3362 of file z3++.h.

3362 {
3363 Z3_tactic r = Z3_tactic_try_for(t.ctx(), t, ms);
3364 t.check_error();
3365 return tactic(t.ctx(), r);
3366 }
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 3357 of file z3++.h.

3357 {
3358 Z3_tactic r = Z3_tactic_using_params(t.ctx(), t, p);
3359 t.check_error();
3360 return tactic(t.ctx(), r);
3361 }
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.