Z3
 
Loading...
Searching...
No Matches
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 826 of file z3++.h.

Constructor & Destructor Documentation

◆ func_decl() [1/2]

func_decl ( context c)
inline

Definition at line 828 of file z3++.h.

828:ast(c) {}
ast(context &c)
Definition z3++.h:621

◆ func_decl() [2/2]

func_decl ( context c,
Z3_func_decl  n 
)
inline

Definition at line 829 of file z3++.h.

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

Member Function Documentation

◆ accessors()

func_decl_vector accessors ( )
inline

Definition at line 4417 of file z3++.h.

4417 {
4418 sort s = range();
4419 assert(s.is_datatype());
4420 unsigned n = Z3_get_datatype_sort_num_constructors(ctx(), s);
4421 unsigned idx = 0;
4422 for (; idx < n; ++idx) {
4424 if (id() == f.id())
4425 break;
4426 }
4427 assert(idx < n);
4428 n = arity();
4429 func_decl_vector as(ctx());
4430 for (unsigned i = 0; i < n; ++i)
4431 as.push_back(func_decl(ctx(), Z3_get_datatype_sort_constructor_accessor(ctx(), s, idx, i)));
4432 return as;
4433 }
sort range() const
Definition z3++.h:839
func_decl(context &c)
Definition z3++.h:828
unsigned arity() const
Definition z3++.h:837
context & ctx() const
Definition z3++.h:540
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 837 of file z3++.h.

837{ 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 841 of file z3++.h.

841{ 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 838 of file z3++.h.

838{ 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:541
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 835 of file z3++.h.

835{ 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 849 of file z3++.h.

849{ return arity() == 0; }

◆ name()

symbol name ( ) const
inline

Definition at line 840 of file z3++.h.

840{ 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 842 of file z3++.h.

842{ 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 830 of file z3++.h.

830{ return reinterpret_cast<Z3_func_decl>(m_ast); }
Z3_ast m_ast
Definition z3++.h:619
System.IntPtr Z3_func_decl

◆ operator()() [1/11]

expr operator() ( ) const
inline

Definition at line 4044 of file z3++.h.

4044 {
4045 Z3_ast r = Z3_mk_app(ctx(), *this, 0, 0);
4046 ctx().check_error();
4047 return expr(ctx(), r);
4048 }
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 4049 of file z3++.h.

4049 {
4050 check_context(*this, a);
4051 Z3_ast args[1] = { a };
4052 Z3_ast r = Z3_mk_app(ctx(), *this, 1, args);
4053 ctx().check_error();
4054 return expr(ctx(), r);
4055 }
friend void check_context(object const &a, object const &b)
Definition z3++.h:544

◆ operator()() [3/11]

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

Definition at line 4062 of file z3++.h.

4062 {
4063 check_context(*this, a1); check_context(*this, a2);
4064 Z3_ast args[2] = { a1, a2 };
4065 Z3_ast r = Z3_mk_app(ctx(), *this, 2, args);
4066 ctx().check_error();
4067 return expr(ctx(), r);
4068 }

◆ operator()() [4/11]

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

Definition at line 4083 of file z3++.h.

4083 {
4084 check_context(*this, a1); check_context(*this, a2); check_context(*this, a3);
4085 Z3_ast args[3] = { a1, a2, a3 };
4086 Z3_ast r = Z3_mk_app(ctx(), *this, 3, args);
4087 ctx().check_error();
4088 return expr(ctx(), r);
4089 }

◆ operator()() [5/11]

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

Definition at line 4090 of file z3++.h.

4090 {
4091 check_context(*this, a1); check_context(*this, a2); check_context(*this, a3); check_context(*this, a4);
4092 Z3_ast args[4] = { a1, a2, a3, a4 };
4093 Z3_ast r = Z3_mk_app(ctx(), *this, 4, args);
4094 ctx().check_error();
4095 return expr(ctx(), r);
4096 }

◆ 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 4097 of file z3++.h.

4097 {
4098 check_context(*this, a1); check_context(*this, a2); check_context(*this, a3); check_context(*this, a4); check_context(*this, a5);
4099 Z3_ast args[5] = { a1, a2, a3, a4, a5 };
4100 Z3_ast r = Z3_mk_app(ctx(), *this, 5, args);
4101 ctx().check_error();
4102 return expr(ctx(), r);
4103 }

◆ operator()() [7/11]

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

Definition at line 4069 of file z3++.h.

4069 {
4070 check_context(*this, a1);
4071 Z3_ast args[2] = { a1, ctx().num_val(a2, domain(1)) };
4072 Z3_ast r = Z3_mk_app(ctx(), *this, 2, args);
4073 ctx().check_error();
4074 return expr(ctx(), r);
4075 }
expr num_val(int n, sort const &s)
Definition z3++.h:4021
sort domain(unsigned i) const
Definition z3++.h:838

◆ operator()() [8/11]

expr operator() ( expr_vector const v) const
inline

Definition at line 4034 of file z3++.h.

4034 {
4035 array<Z3_ast> _args(args.size());
4036 for (unsigned i = 0; i < args.size(); ++i) {
4037 check_context(*this, args[i]);
4038 _args[i] = args[i];
4039 }
4040 Z3_ast r = Z3_mk_app(ctx(), *this, args.size(), _args.ptr());
4041 check_error();
4042 return expr(ctx(), r);
4043 }

◆ operator()() [9/11]

expr operator() ( int  a) const
inline

Definition at line 4056 of file z3++.h.

4056 {
4057 Z3_ast args[1] = { ctx().num_val(a, domain(0)) };
4058 Z3_ast r = Z3_mk_app(ctx(), *this, 1, args);
4059 ctx().check_error();
4060 return expr(ctx(), r);
4061 }

◆ operator()() [10/11]

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

Definition at line 4076 of file z3++.h.

4076 {
4077 check_context(*this, a2);
4078 Z3_ast args[2] = { ctx().num_val(a1, domain(0)), a2 };
4079 Z3_ast r = Z3_mk_app(ctx(), *this, 2, args);
4080 ctx().check_error();
4081 return expr(ctx(), r);
4082 }

◆ operator()() [11/11]

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

Definition at line 4023 of file z3++.h.

4023 {
4024 array<Z3_ast> _args(n);
4025 for (unsigned i = 0; i < n; ++i) {
4026 check_context(*this, args[i]);
4027 _args[i] = args[i];
4028 }
4029 Z3_ast r = Z3_mk_app(ctx(), *this, n, _args.ptr());
4030 check_error();
4031 return expr(ctx(), r);
4032
4033 }

◆ range()

sort range ( ) const
inline

Definition at line 839 of file z3++.h.

839{ 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 845 of file z3++.h.

845 {
846 Z3_func_decl tc = Z3_mk_transitive_closure(ctx(), *this); check_error(); return func_decl(ctx(), tc);
847 }
Z3_func_decl Z3_API Z3_mk_transitive_closure(Z3_context c, Z3_func_decl f)
create transitive closure of binary relation.