#include "../include/cxx.h"
#include <cstring>
#include <exception>
#include <iostream>
#include <memory>
#include <stdexcept>
#include <vector>
extern "C" {
const char *cxxbridge05$cxx_string$data(const std::string &s) noexcept {
return s.data();
}
size_t cxxbridge05$cxx_string$length(const std::string &s) noexcept {
return s.length();
}
void cxxbridge05$string$new(rust::String *self) noexcept;
void cxxbridge05$string$clone(rust::String *self,
const rust::String &other) noexcept;
bool cxxbridge05$string$from(rust::String *self, const char *ptr,
size_t len) noexcept;
void cxxbridge05$string$drop(rust::String *self) noexcept;
const char *cxxbridge05$string$ptr(const rust::String *self) noexcept;
size_t cxxbridge05$string$len(const rust::String *self) noexcept;
bool cxxbridge05$str$valid(const char *ptr, size_t len) noexcept;
}
namespace rust {
inline namespace cxxbridge05 {
template <typename Exception>
void panic [[noreturn]] (const char *msg) {
#if defined(RUST_CXX_NO_EXCEPTIONS)
std::cerr << "Error: " << msg << ". Aborting." << std::endl;
std::terminate();
#else
throw Exception(msg);
#endif
}
template void panic<std::out_of_range>[[noreturn]] (const char *msg);
String::String() noexcept { cxxbridge05$string$new(this); }
String::String(const String &other) noexcept {
cxxbridge05$string$clone(this, other);
}
String::String(String &&other) noexcept {
this->repr = other.repr;
cxxbridge05$string$new(&other);
}
String::~String() noexcept { cxxbridge05$string$drop(this); }
String::String(const std::string &s) : String(s.data(), s.length()) {}
String::String(const char *s) : String(s, std::strlen(s)) {}
String::String(const char *s, size_t len) {
if (!cxxbridge05$string$from(this, s, len)) {
panic<std::invalid_argument>("data for rust::String is not utf-8");
}
}
String &String::operator=(const String &other) noexcept {
if (this != &other) {
cxxbridge05$string$drop(this);
cxxbridge05$string$clone(this, other);
}
return *this;
}
String &String::operator=(String &&other) noexcept {
if (this != &other) {
cxxbridge05$string$drop(this);
this->repr = other.repr;
cxxbridge05$string$new(&other);
}
return *this;
}
String::operator std::string() const {
return std::string(this->data(), this->size());
}
const char *String::data() const noexcept {
return cxxbridge05$string$ptr(this);
}
size_t String::size() const noexcept { return cxxbridge05$string$len(this); }
size_t String::length() const noexcept { return cxxbridge05$string$len(this); }
String::String(unsafe_bitcopy_t, const String &bits) noexcept
: repr(bits.repr) {}
std::ostream &operator<<(std::ostream &os, const String &s) {
os.write(s.data(), s.size());
return os;
}
Str::Str() noexcept : repr(Repr{reinterpret_cast<const char *>(this), 0}) {}
Str::Str(const Str &) noexcept = default;
Str::Str(const std::string &s) : Str(s.data(), s.length()) {}
Str::Str(const char *s) : Str(s, std::strlen(s)) {}
Str::Str(const char *s, size_t len) : repr(Repr{s, len}) {
if (!cxxbridge05$str$valid(this->repr.ptr, this->repr.len)) {
panic<std::invalid_argument>("data for rust::Str is not utf-8");
}
}
Str &Str::operator=(Str other) noexcept {
this->repr = other.repr;
return *this;
}
Str::operator std::string() const {
return std::string(this->data(), this->size());
}
const char *Str::data() const noexcept { return this->repr.ptr; }
size_t Str::size() const noexcept { return this->repr.len; }
size_t Str::length() const noexcept { return this->repr.len; }
Str::Str(Repr repr_) noexcept : repr(repr_) {}
Str::operator Repr() noexcept { return this->repr; }
std::ostream &operator<<(std::ostream &os, const Str &s) {
os.write(s.data(), s.size());
return os;
}
extern "C" {
const char *cxxbridge05$error(const char *ptr, size_t len) {
char *copy = new char[len];
strncpy(copy, ptr, len);
return copy;
}
}
Error::Error(Str::Repr msg) noexcept : msg(msg) {}
Error::Error(const Error &other) {
this->msg.ptr = cxxbridge05$error(other.msg.ptr, other.msg.len);
this->msg.len = other.msg.len;
}
Error::Error(Error &&other) noexcept {
delete[] this->msg.ptr;
this->msg = other.msg;
other.msg.ptr = nullptr;
other.msg.len = 0;
}
Error::~Error() noexcept { delete[] this->msg.ptr; }
const char *Error::what() const noexcept { return this->msg.ptr; }
} }
extern "C" {
void cxxbridge05$unique_ptr$std$string$null(
std::unique_ptr<std::string> *ptr) noexcept {
new (ptr) std::unique_ptr<std::string>();
}
void cxxbridge05$unique_ptr$std$string$raw(std::unique_ptr<std::string> *ptr,
std::string *raw) noexcept {
new (ptr) std::unique_ptr<std::string>(raw);
}
const std::string *cxxbridge05$unique_ptr$std$string$get(
const std::unique_ptr<std::string> &ptr) noexcept {
return ptr.get();
}
std::string *cxxbridge05$unique_ptr$std$string$release(
std::unique_ptr<std::string> &ptr) noexcept {
return ptr.release();
}
void cxxbridge05$unique_ptr$std$string$drop(
std::unique_ptr<std::string> *ptr) noexcept {
ptr->~unique_ptr();
}
}
#define STD_VECTOR_OPS(RUST_TYPE, CXX_TYPE) \
size_t cxxbridge05$std$vector$##RUST_TYPE##$size( \
const std::vector<CXX_TYPE> &s) noexcept { \
return s.size(); \
} \
const CXX_TYPE *cxxbridge05$std$vector$##RUST_TYPE##$get_unchecked( \
const std::vector<CXX_TYPE> &s, size_t pos) noexcept { \
return &s[pos]; \
} \
void cxxbridge05$unique_ptr$std$vector$##RUST_TYPE##$null( \
std::unique_ptr<std::vector<CXX_TYPE>> *ptr) noexcept { \
new (ptr) std::unique_ptr<std::vector<CXX_TYPE>>(); \
} \
void cxxbridge05$unique_ptr$std$vector$##RUST_TYPE##$raw( \
std::unique_ptr<std::vector<CXX_TYPE>> *ptr, \
std::vector<CXX_TYPE> *raw) noexcept { \
new (ptr) std::unique_ptr<std::vector<CXX_TYPE>>(raw); \
} \
const std::vector<CXX_TYPE> \
*cxxbridge05$unique_ptr$std$vector$##RUST_TYPE##$get( \
const std::unique_ptr<std::vector<CXX_TYPE>> &ptr) noexcept { \
return ptr.get(); \
} \
std::vector<CXX_TYPE> \
*cxxbridge05$unique_ptr$std$vector$##RUST_TYPE##$release( \
std::unique_ptr<std::vector<CXX_TYPE>> &ptr) noexcept { \
return ptr.release(); \
} \
void cxxbridge05$unique_ptr$std$vector$##RUST_TYPE##$drop( \
std::unique_ptr<std::vector<CXX_TYPE>> *ptr) noexcept { \
ptr->~unique_ptr(); \
}
#define RUST_VEC_EXTERNS(RUST_TYPE, CXX_TYPE) \
void cxxbridge05$rust_vec$##RUST_TYPE##$new( \
rust::Vec<CXX_TYPE> *ptr) noexcept; \
void cxxbridge05$rust_vec$##RUST_TYPE##$drop( \
rust::Vec<CXX_TYPE> *ptr) noexcept; \
size_t cxxbridge05$rust_vec$##RUST_TYPE##$len( \
const rust::Vec<CXX_TYPE> *ptr) noexcept; \
const CXX_TYPE *cxxbridge05$rust_vec$##RUST_TYPE##$data( \
const rust::Vec<CXX_TYPE> *ptr) noexcept; \
size_t cxxbridge05$rust_vec$##RUST_TYPE##$stride() noexcept;
#define RUST_VEC_OPS(RUST_TYPE, CXX_TYPE) \
template <> \
Vec<CXX_TYPE>::Vec() noexcept { \
cxxbridge05$rust_vec$##RUST_TYPE##$new(this); \
} \
template <> \
void Vec<CXX_TYPE>::drop() noexcept { \
return cxxbridge05$rust_vec$##RUST_TYPE##$drop(this); \
} \
template <> \
size_t Vec<CXX_TYPE>::size() const noexcept { \
return cxxbridge05$rust_vec$##RUST_TYPE##$len(this); \
} \
template <> \
const CXX_TYPE *Vec<CXX_TYPE>::data() const noexcept { \
return cxxbridge05$rust_vec$##RUST_TYPE##$data(this); \
} \
template <> \
size_t Vec<CXX_TYPE>::stride() noexcept { \
return cxxbridge05$rust_vec$##RUST_TYPE##$stride(); \
}
#define FOR_EACH_NUMERIC(MACRO) \
MACRO(u8, uint8_t) \
MACRO(u16, uint16_t) \
MACRO(u32, uint32_t) \
MACRO(u64, uint64_t) \
MACRO(i8, int8_t) \
MACRO(i16, int16_t) \
MACRO(i32, int32_t) \
MACRO(i64, int64_t) \
MACRO(f32, float) \
MACRO(f64, double)
#define FOR_EACH_STD_VECTOR(MACRO) \
FOR_EACH_NUMERIC(MACRO) \
MACRO(usize, size_t) \
MACRO(isize, rust::isize) \
MACRO(string, std::string)
#define FOR_EACH_RUST_VEC(MACRO) \
FOR_EACH_NUMERIC(MACRO) \
MACRO(bool, bool) \
MACRO(string, rust::String)
extern "C" {
FOR_EACH_STD_VECTOR(STD_VECTOR_OPS)
FOR_EACH_RUST_VEC(RUST_VEC_EXTERNS)
}
namespace rust {
inline namespace cxxbridge05 {
FOR_EACH_RUST_VEC(RUST_VEC_OPS)
} }