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Folkert 2023-01-08 14:49:13 +01:00
parent 1c1112ec35
commit 98ba49baf6
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6 changed files with 48 additions and 23 deletions
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15
examples/platform-switching/rust-platform/src/glue.rs
View file

@ -97,6 +97,21 @@ union union_Op {
_sizer: [u8; 8],
}
#[derive(Clone)]
struct RocFunction_3 {
closure_data: T
}
impl RocFunction_3 {
pub fn call(self) -> U {
extern "C" {
fn call_the_closure(T) -> U ;
}
call_the_closure(self.closure_data)
}
}
impl Op {
#[cfg(any(
target_arch = "arm",

41
examples/platform-switching/rust-platform/src/lib.rs
View file

@ -93,7 +93,7 @@ pub extern "C" fn rust_main() -> i32 {
println!("Let's do things!");
let op: Op = unsafe {
let mut op: Op = unsafe {
let mut mem = MaybeUninit::uninit();
roc_main(mem.as_mut_ptr());
@ -101,26 +101,33 @@ pub extern "C" fn rust_main() -> i32 {
mem.assume_init()
};
match dbg!(op.discriminant()) {
StdoutWrite => {
let output: RocStr = unsafe { op.get_StdoutWrite_0() };
// let _next = unsafe { op.get_StdoutWrite_1() };
loop {
match dbg!(op.discriminant()) {
StdoutWrite => {
let output: RocStr = unsafe { op.get_StdoutWrite_0() };
op = unsafe { op.get_StdoutWrite_1() };
dbg!(&output);
dbg!(&output);
if let Err(e) = std::io::stdout().write_all(output.as_bytes()) {
panic!("Writing to stdout failed! {:?}", e);
if let Err(e) = std::io::stdout().write_all(output.as_bytes()) {
panic!("Writing to stdout failed! {:?}", e);
}
}
StderrWrite => {
let output: RocStr = unsafe { op.get_StderrWrite_0() };
// let _next = unsafe { op.get_StderrWrite_1() };
dbg!(&output);
break;
if let Err(e) = std::io::stderr().write_all(output.as_bytes()) {
panic!("Writing to stderr failed! {:?}", e);
}
}
Done => {
break;
}
}
StderrWrite => {
let output: RocStr = unsafe { op.get_StderrWrite_0() };
// let _next = unsafe { op.get_StderrWrite_1() };
if let Err(e) = std::io::stderr().write_all(output.as_bytes()) {
panic!("Writing to stderr failed! {:?}", e);
}
}
Done => {}
}
println!("Done!");