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Public Member Functions
func_decl Class Reference

Function declaration (aka function definition). It is the signature of interpreted and uninterpreted functions in Z3. The basic building block in Z3 is the function application. More...

#include <z3++.h>

+ Inheritance diagram for func_decl:

Public Member Functions

 func_decl (context &c)
 
 func_decl (context &c, Z3_func_decl n)
 
 operator Z3_func_decl () const
 
unsigned id () const
 retrieve unique identifier for func_decl.
 
unsigned arity () const
 
sort domain (unsigned i) const
 
sort range () const
 
symbol name () const
 
Z3_decl_kind decl_kind () const
 
unsigned num_parameters () const
 
func_decl transitive_closure (func_decl const &)
 
bool is_const () const
 
expr operator() () const
 
expr operator() (unsigned n, expr const *args) const
 
expr operator() (expr_vector const &v) const
 
expr operator() (expr const &a) const
 
expr operator() (int a) const
 
expr operator() (expr const &a1, expr const &a2) const
 
expr operator() (expr const &a1, int a2) const
 
expr operator() (int a1, expr const &a2) const
 
expr operator() (expr const &a1, expr const &a2, expr const &a3) const
 
expr operator() (expr const &a1, expr const &a2, expr const &a3, expr const &a4) const
 
expr operator() (expr const &a1, expr const &a2, expr const &a3, expr const &a4, expr const &a5) const
 
func_decl_vector accessors ()
 
- Public Member Functions inherited from ast
 ast (context &c)
 
 ast (context &c, Z3_ast n)
 
 ast (ast const &s)
 
 ~ast () override
 
 operator Z3_ast () const
 
 operator bool () const
 
astoperator= (ast const &s)
 
Z3_ast_kind kind () const
 
unsigned hash () const
 
std::string to_string () const
 
- Public Member Functions inherited from object
 object (context &c)
 
virtual ~object ()=default
 
contextctx () const
 
Z3_error_code check_error () const
 

Additional Inherited Members

- Protected Attributes inherited from ast
Z3_ast m_ast
 
- Protected Attributes inherited from object
contextm_ctx
 

Detailed Description

Function declaration (aka function definition). It is the signature of interpreted and uninterpreted functions in Z3. The basic building block in Z3 is the function application.

Definition at line 904 of file z3++.h.

Constructor & Destructor Documentation

◆ func_decl() [1/2]

func_decl ( context c)
inline

Definition at line 906 of file z3++.h.

906:ast(c) {}
ast(context &c)
Definition z3++.h:641

◆ func_decl() [2/2]

func_decl ( context c,
Z3_func_decl  n 
)
inline

Definition at line 907 of file z3++.h.

907:ast(c, reinterpret_cast<Z3_ast>(n)) {}
System.IntPtr Z3_ast

Member Function Documentation

◆ accessors()

func_decl_vector accessors ( )
inline

Definition at line 4649 of file z3++.h.

4649 {
4650 sort s = range();
4651 assert(s.is_datatype());
4652 unsigned n = Z3_get_datatype_sort_num_constructors(ctx(), s);
4653 unsigned idx = 0;
4654 for (; idx < n; ++idx) {
4656 if (id() == f.id())
4657 break;
4658 }
4659 assert(idx < n);
4660 n = arity();
4661 func_decl_vector as(ctx());
4662 for (unsigned i = 0; i < n; ++i)
4663 as.push_back(func_decl(ctx(), Z3_get_datatype_sort_constructor_accessor(ctx(), s, idx, i)));
4664 return as;
4665 }
sort range() const
Definition z3++.h:917
func_decl(context &c)
Definition z3++.h:906
unsigned arity() const
Definition z3++.h:915
context & ctx() const
Definition z3++.h:560
unsigned Z3_API Z3_get_datatype_sort_num_constructors(Z3_context c, Z3_sort t)
Return number of constructors for datatype.
Z3_func_decl Z3_API Z3_get_datatype_sort_constructor(Z3_context c, Z3_sort t, unsigned idx)
Return idx'th constructor.
Z3_func_decl Z3_API Z3_get_datatype_sort_constructor_accessor(Z3_context c, Z3_sort t, unsigned idx_c, unsigned idx_a)
Return idx_a'th accessor for the idx_c'th constructor.
ast_vector_tpl< func_decl > func_decl_vector
Definition z3++.h:79

◆ arity()

unsigned arity ( ) const
inline

Definition at line 915 of file z3++.h.

915{ return Z3_get_arity(ctx(), *this); }
unsigned Z3_API Z3_get_arity(Z3_context c, Z3_func_decl d)
Alias for Z3_get_domain_size.

Referenced by func_decl::accessors(), fixedpoint::add_fact(), func_decl::domain(), and func_decl::is_const().

◆ decl_kind()

Z3_decl_kind decl_kind ( ) const
inline

Definition at line 919 of file z3++.h.

919{ return Z3_get_decl_kind(ctx(), *this); }
Z3_decl_kind Z3_API Z3_get_decl_kind(Z3_context c, Z3_func_decl d)
Return declaration kind corresponding to declaration.

Referenced by expr::is_and(), expr::is_distinct(), expr::is_eq(), expr::is_false(), expr::is_implies(), expr::is_ite(), expr::is_not(), expr::is_or(), expr::is_true(), and expr::is_xor().

◆ domain()

sort domain ( unsigned  i) const
inline

Definition at line 916 of file z3++.h.

916{ assert(i < arity()); Z3_sort r = Z3_get_domain(ctx(), *this, i); check_error(); return sort(ctx(), r); }
Z3_error_code check_error() const
Definition z3++.h:561
Z3_sort Z3_API Z3_get_domain(Z3_context c, Z3_func_decl d, unsigned i)
Return the sort of the i-th parameter of the given function declaration.
System.IntPtr Z3_sort

Referenced by FuncDeclRef::__call__(), func_decl::operator()(), func_decl::operator()(), and func_decl::operator()().

◆ id()

unsigned id ( ) const
inline

retrieve unique identifier for func_decl.

Definition at line 913 of file z3++.h.

913{ unsigned r = Z3_get_func_decl_id(ctx(), *this); check_error(); return r; }
unsigned Z3_API Z3_get_func_decl_id(Z3_context c, Z3_func_decl f)
Return a unique identifier for f.

Referenced by func_decl::accessors().

◆ is_const()

bool is_const ( ) const
inline

Definition at line 927 of file z3++.h.

927{ return arity() == 0; }

◆ name()

symbol name ( ) const
inline

Definition at line 918 of file z3++.h.

918{ Z3_symbol s = Z3_get_decl_name(ctx(), *this); check_error(); return symbol(ctx(), s); }
Z3_symbol Z3_API Z3_get_decl_name(Z3_context c, Z3_func_decl d)
Return the constant declaration name as a symbol.
System.IntPtr Z3_symbol

Referenced by Datatype::__deepcopy__(), and Datatype::__repr__().

◆ num_parameters()

unsigned num_parameters ( ) const
inline

Definition at line 920 of file z3++.h.

920{ return Z3_get_decl_num_parameters(ctx(), *this); }
unsigned Z3_API Z3_get_decl_num_parameters(Z3_context c, Z3_func_decl d)
Return the number of parameters associated with a declaration.

Referenced by parameter::parameter(), and parameter::parameter().

◆ operator Z3_func_decl()

operator Z3_func_decl ( ) const
inline

Definition at line 908 of file z3++.h.

908{ return reinterpret_cast<Z3_func_decl>(m_ast); }
Z3_ast m_ast
Definition z3++.h:639
System.IntPtr Z3_func_decl

◆ operator()() [1/11]

expr operator() ( ) const
inline

Definition at line 4228 of file z3++.h.

4228 {
4229 Z3_ast r = Z3_mk_app(ctx(), *this, 0, 0);
4230 ctx().check_error();
4231 return expr(ctx(), r);
4232 }
Z3_error_code check_error() const
Auxiliary method used to check for API usage errors.
Definition z3++.h:241
Z3_ast Z3_API Z3_mk_app(Z3_context c, Z3_func_decl d, unsigned num_args, Z3_ast const args[])
Create a constant or function application.

◆ operator()() [2/11]

expr operator() ( expr const a) const
inline

Definition at line 4233 of file z3++.h.

4233 {
4234 check_context(*this, a);
4235 Z3_ast args[1] = { a };
4236 Z3_ast r = Z3_mk_app(ctx(), *this, 1, args);
4237 ctx().check_error();
4238 return expr(ctx(), r);
4239 }
friend void check_context(object const &a, object const &b)
Definition z3++.h:564

◆ operator()() [3/11]

expr operator() ( expr const a1,
expr const a2 
) const
inline

Definition at line 4246 of file z3++.h.

4246 {
4247 check_context(*this, a1); check_context(*this, a2);
4248 Z3_ast args[2] = { a1, a2 };
4249 Z3_ast r = Z3_mk_app(ctx(), *this, 2, args);
4250 ctx().check_error();
4251 return expr(ctx(), r);
4252 }

◆ operator()() [4/11]

expr operator() ( expr const a1,
expr const a2,
expr const a3 
) const
inline

Definition at line 4267 of file z3++.h.

4267 {
4268 check_context(*this, a1); check_context(*this, a2); check_context(*this, a3);
4269 Z3_ast args[3] = { a1, a2, a3 };
4270 Z3_ast r = Z3_mk_app(ctx(), *this, 3, args);
4271 ctx().check_error();
4272 return expr(ctx(), r);
4273 }

◆ operator()() [5/11]

expr operator() ( expr const a1,
expr const a2,
expr const a3,
expr const a4 
) const
inline

Definition at line 4274 of file z3++.h.

4274 {
4275 check_context(*this, a1); check_context(*this, a2); check_context(*this, a3); check_context(*this, a4);
4276 Z3_ast args[4] = { a1, a2, a3, a4 };
4277 Z3_ast r = Z3_mk_app(ctx(), *this, 4, args);
4278 ctx().check_error();
4279 return expr(ctx(), r);
4280 }

◆ operator()() [6/11]

expr operator() ( expr const a1,
expr const a2,
expr const a3,
expr const a4,
expr const a5 
) const
inline

Definition at line 4281 of file z3++.h.

4281 {
4282 check_context(*this, a1); check_context(*this, a2); check_context(*this, a3); check_context(*this, a4); check_context(*this, a5);
4283 Z3_ast args[5] = { a1, a2, a3, a4, a5 };
4284 Z3_ast r = Z3_mk_app(ctx(), *this, 5, args);
4285 ctx().check_error();
4286 return expr(ctx(), r);
4287 }

◆ operator()() [7/11]

expr operator() ( expr const a1,
int  a2 
) const
inline

Definition at line 4253 of file z3++.h.

4253 {
4254 check_context(*this, a1);
4255 Z3_ast args[2] = { a1, ctx().num_val(a2, domain(1)) };
4256 Z3_ast r = Z3_mk_app(ctx(), *this, 2, args);
4257 ctx().check_error();
4258 return expr(ctx(), r);
4259 }
expr num_val(int n, sort const &s)
Definition z3++.h:4205
sort domain(unsigned i) const
Definition z3++.h:916

◆ operator()() [8/11]

expr operator() ( expr_vector const v) const
inline

Definition at line 4218 of file z3++.h.

4218 {
4219 array<Z3_ast> _args(args.size());
4220 for (unsigned i = 0; i < args.size(); ++i) {
4221 check_context(*this, args[i]);
4222 _args[i] = args[i];
4223 }
4224 Z3_ast r = Z3_mk_app(ctx(), *this, args.size(), _args.ptr());
4225 check_error();
4226 return expr(ctx(), r);
4227 }

◆ operator()() [9/11]

expr operator() ( int  a) const
inline

Definition at line 4240 of file z3++.h.

4240 {
4241 Z3_ast args[1] = { ctx().num_val(a, domain(0)) };
4242 Z3_ast r = Z3_mk_app(ctx(), *this, 1, args);
4243 ctx().check_error();
4244 return expr(ctx(), r);
4245 }

◆ operator()() [10/11]

expr operator() ( int  a1,
expr const a2 
) const
inline

Definition at line 4260 of file z3++.h.

4260 {
4261 check_context(*this, a2);
4262 Z3_ast args[2] = { ctx().num_val(a1, domain(0)), a2 };
4263 Z3_ast r = Z3_mk_app(ctx(), *this, 2, args);
4264 ctx().check_error();
4265 return expr(ctx(), r);
4266 }

◆ operator()() [11/11]

expr operator() ( unsigned  n,
expr const args 
) const
inline

Definition at line 4207 of file z3++.h.

4207 {
4208 array<Z3_ast> _args(n);
4209 for (unsigned i = 0; i < n; ++i) {
4210 check_context(*this, args[i]);
4211 _args[i] = args[i];
4212 }
4213 Z3_ast r = Z3_mk_app(ctx(), *this, n, _args.ptr());
4214 check_error();
4215 return expr(ctx(), r);
4216
4217 }

◆ range()

sort range ( ) const
inline

Definition at line 917 of file z3++.h.

917{ Z3_sort r = Z3_get_range(ctx(), *this); check_error(); return sort(ctx(), r); }
Z3_sort Z3_API Z3_get_range(Z3_context c, Z3_func_decl d)
Return the range of the given declaration.

Referenced by func_decl::accessors().

◆ transitive_closure()

func_decl transitive_closure ( func_decl const )
inline

Definition at line 923 of file z3++.h.

923 {
924 Z3_func_decl tc = Z3_mk_transitive_closure(ctx(), *this); check_error(); return func_decl(ctx(), tc);
925 }
Z3_func_decl Z3_API Z3_mk_transitive_closure(Z3_context c, Z3_func_decl f)
create transitive closure of binary relation.