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Cpp api general minor improvements (#5175)

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* Added noexcepts, deleted trivial copy functions that can be implcit, small things

* Add back in virtual destructor. This has rule of 5 side effects, but move semantics are not supported yet so it is *mostly* ok. The move PR will address this.
This commit is contained in:
Zachary Wimer 2021-04-12 14:03:20 -07:00 • committed by GitHub
parent 70604a6856
commit dd3be32b98
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1 changed files with 13 additions and 25 deletions
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38
src/api/c++/z3++.h
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@ -85,8 +85,8 @@ namespace z3 {
class exception : public std::exception {
std::string m_msg;
public:
exception(char const * msg):m_msg(msg) {}
virtual ~exception() throw() {}
exception(char const * msg):m_msg(msg) {}
char const * msg() const { return m_msg.c_str(); }
char const * what() const throw() { return m_msg.c_str(); }
friend std::ostream & operator<<(std::ostream & out, exception const & e);
@ -382,7 +382,7 @@ namespace z3 {
expr_vector parse_file(char const* s, sort_vector const& sorts, func_decl_vector const& decls);
};
class scoped_context {
class scoped_context final {
context m_ctx;
public:
scoped_context(Z3_context c): m_ctx(c) {}
@ -414,7 +414,6 @@ namespace z3 {
context * m_ctx;
public:
object(context & c):m_ctx(&c) {}
object(object const & s):m_ctx(s.m_ctx) {}
context & ctx() const { return *m_ctx; }
Z3_error_code check_error() const { return m_ctx->check_error(); }
friend void check_context(object const & a, object const & b);
@ -425,8 +424,6 @@ namespace z3 {
Z3_symbol m_sym;
public:
symbol(context & c, Z3_symbol s):object(c), m_sym(s) {}
symbol(symbol const & s):object(s), m_sym(s.m_sym) {}
symbol & operator=(symbol const & s) { m_ctx = s.m_ctx; m_sym = s.m_sym; return *this; }
operator Z3_symbol() const { return m_sym; }
Z3_symbol_kind kind() const { return Z3_get_symbol_kind(ctx(), m_sym); }
std::string str() const { assert(kind() == Z3_STRING_SYMBOL); return Z3_get_symbol_string(ctx(), m_sym); }
@ -559,7 +556,7 @@ namespace z3 {
}
*/
class iterator {
class iterator final {
ast_vector_tpl const* m_vector;
unsigned m_index;
public:
@ -567,24 +564,24 @@ namespace z3 {
iterator(iterator const& other): m_vector(other.m_vector), m_index(other.m_index) {}
iterator operator=(iterator const& other) { m_vector = other.m_vector; m_index = other.m_index; return *this; }
bool operator==(iterator const& other) const {
bool operator==(iterator const& other) const noexcept {
return other.m_index == m_index;
};
bool operator!=(iterator const& other) const {
bool operator!=(iterator const& other) const noexcept {
return other.m_index != m_index;
};
iterator& operator++() {
iterator& operator++() noexcept {
++m_index;
return *this;
}
void set(T& arg) {
Z3_ast_vector_set(m_vector->ctx(), *m_vector, m_index, arg);
}
iterator operator++(int) { iterator tmp = *this; ++m_index; return tmp; }
iterator operator++(int) noexcept { iterator tmp = *this; ++m_index; return tmp; }
T * operator->() const { return &(operator*()); }
T operator*() const { return (*m_vector)[m_index]; }
};
iterator begin() const { return iterator(this, 0); }
iterator begin() const noexcept { return iterator(this, 0); }
iterator end() const { return iterator(this, size()); }
friend std::ostream & operator<<(std::ostream & out, ast_vector_tpl const & v) { out << Z3_ast_vector_to_string(v.ctx(), v); return out; }
};
@ -598,7 +595,6 @@ namespace z3 {
sort(context & c):ast(c) {}
sort(context & c, Z3_sort s):ast(c, reinterpret_cast<Z3_ast>(s)) {}
sort(context & c, Z3_ast a):ast(c, a) {}
sort(sort const & s):ast(s) {}
operator Z3_sort() const { return reinterpret_cast<Z3_sort>(m_ast); }
/**
@ -606,10 +602,6 @@ namespace z3 {
*/
unsigned id() const { unsigned r = Z3_get_sort_id(ctx(), *this); check_error(); return r; }
/**
\brief Assign sort s to this
*/
sort & operator=(sort const & s) { return static_cast<sort&>(ast::operator=(s)); }
/**
\brief Return the internal sort kind.
*/
@ -699,9 +691,7 @@ namespace z3 {
public:
func_decl(context & c):ast(c) {}
func_decl(context & c, Z3_func_decl n):ast(c, reinterpret_cast<Z3_ast>(n)) {}
func_decl(func_decl const & s):ast(s) {}
operator Z3_func_decl() const { return reinterpret_cast<Z3_func_decl>(m_ast); }
func_decl & operator=(func_decl const & s) { return static_cast<func_decl&>(ast::operator=(s)); }
/**
\brief retrieve unique identifier for func_decl.
@ -747,8 +737,6 @@ namespace z3 {
public:
expr(context & c):ast(c) {}
expr(context & c, Z3_ast n):ast(c, reinterpret_cast<Z3_ast>(n)) {}
expr(expr const & n):ast(n) {}
expr & operator=(expr const & n) { return static_cast<expr&>(ast::operator=(n)); }
/**
\brief Return the sort of this expression.
@ -2537,12 +2525,12 @@ namespace z3 {
}
cube_iterator operator++(int) { assert(false); return *this; }
expr_vector const * operator->() const { return &(operator*()); }
expr_vector const& operator*() const { return m_cube; }
expr_vector const& operator*() const noexcept { return m_cube; }
bool operator==(cube_iterator const& other) {
bool operator==(cube_iterator const& other) noexcept {
return other.m_end == m_end;
};
bool operator!=(cube_iterator const& other) {
bool operator!=(cube_iterator const& other) noexcept {
return other.m_end != m_end;
};
@ -2570,7 +2558,7 @@ namespace z3 {
cube_iterator begin() { return cube_iterator(m_solver, m_vars, m_cutoff, false); }
cube_iterator end() { return cube_iterator(m_solver, m_vars, m_cutoff, true); }
void set_cutoff(unsigned c) { m_cutoff = c; }
void set_cutoff(unsigned c) noexcept { m_cutoff = c; }
};
cube_generator cubes() { return cube_generator(*this); }
@ -2829,7 +2817,7 @@ namespace z3 {
Z3_optimize m_opt;
public:
class handle {
class handle final {
unsigned m_h;
public:
handle(unsigned h): m_h(h) {}