rs_bindings_from_cc/test/golden/private_members_rs_api.rs

#![rustfmt::skip]
// Part of the Crubit project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

#![feature(const_ptr_offset_from, custom_inner_attributes)]

use memoffset_unstable_const::offset_of;

#[derive(Clone, Copy)]
#[repr(C)]
pub struct SomeClass {
    pub public_member_variable_: i32,
    private_member_variable_: i32,
}

// rs_bindings_from_cc/test/golden/private_members.h;l=4
// Error while generating bindings for item 'SomeClass::SomeClass':
// Nested classes are not supported yet

impl SomeClass {
    #[inline(always)]
    pub fn public_method(__this: *mut SomeClass) {
        unsafe { crate::detail::__rust_thunk___ZN9SomeClass13public_methodEv(__this) }
    }
}

impl SomeClass {
    #[inline(always)]
    pub fn public_static_method() {
        unsafe { crate::detail::__rust_thunk___ZN9SomeClass20public_static_methodEv() }
    }
}

impl Default for SomeClass {
    #[inline(always)]
    fn default() -> Self {
        let mut tmp = std::mem::MaybeUninit::<Self>::uninit();
        unsafe {
            crate::detail::__rust_thunk___ZN9SomeClassC1Ev(tmp.as_mut_ptr());
            tmp.assume_init()
        }
    }
}

// rs_bindings_from_cc/test/golden/private_members.h;l=4
// Error while generating bindings for item 'SomeClass::SomeClass':
// Parameter type 'class SomeClass &&' is not supported

// rs_bindings_from_cc/test/golden/private_members.h;l=4
// Error while generating bindings for item 'SomeClass::operator=':
// Parameter type 'class SomeClass &&' is not supported

// CRUBIT_RS_BINDINGS_FROM_CC_TEST_GOLDEN_PRIVATE_MEMBERS_H_

mod detail {
    use super::*;
    extern "C" {
        #[link_name = "_ZN9SomeClass13public_methodEv"]
        pub(crate) fn __rust_thunk___ZN9SomeClass13public_methodEv(__this: *mut SomeClass);
        #[link_name = "_ZN9SomeClass20public_static_methodEv"]
        pub(crate) fn __rust_thunk___ZN9SomeClass20public_static_methodEv();
        pub(crate) fn __rust_thunk___ZN9SomeClassC1Ev(__this: *mut SomeClass);
    }
}

const _: () = assert!(std::mem::size_of::<Option<&i32>>() == std::mem::size_of::<&i32>());

const _: () = assert!(std::mem::size_of::<SomeClass>() == 8usize);
const _: () = assert!(std::mem::align_of::<SomeClass>() == 4usize);
const _: () = assert!(offset_of!(SomeClass, public_member_variable_) * 8 == 0usize);
const _: () = assert!(offset_of!(SomeClass, private_member_variable_) * 8 == 32usize);