language-servers/roc
1
0
Fork 0
mirror of https://github.com/roc-lang/roc.git synced 2025-09-30 15:21:12 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

make roc main return values, instead of write them into pointer

Browse source
This commit is contained in:
Folkert 2021-09-19 22:05:48 +02:00
parent f13e65ff8e
commit e319d1e758
9 changed files with 199 additions and 120 deletions
Download patch file Download diff file Expand all files Collapse all files

8
examples/hello-rust/platform/src/lib.rs
View file

@ -8,7 +8,7 @@ use std::ffi::CStr;
extern "C" {
#[link_name = "roc__mainForHost_1_exposed"]
fn roc_main(output: *mut RocStr) -> ();
fn roc_main() -> RocStr;
}
#[no_mangle]
@ -46,12 +46,8 @@ pub unsafe fn roc_panic(c_ptr: *mut c_void, tag_id: u32) {
#[no_mangle]
pub fn rust_main() -> isize {
let mut raw_output: MaybeUninit<RocStr> = MaybeUninit::uninit();
unsafe {
roc_main(raw_output.as_mut_ptr());
let roc_str = raw_output.assume_init();
let roc_str = roc_main();
let len = roc_str.len();
let str_bytes = roc_str.get_bytes() as *const libc::c_void;