Function alloc_and_put

compiler/src/main/abi_bridge.rs:245–250

Alloc in the live VM; 0 when outside run() or OOM.

(obj: HeapObj)

pub unsafe extern "C" fn host_edge_encode(tag: u32, ptr: *const u8, len: u32) -> u32 {
    // Alloc in the live VM; 0 when outside run() or OOM.
    fn alloc_and_put(obj: HeapObj) -> u32 {
        match with_vm(|vm| vm.heap.alloc(obj).ok()).flatten() {
            Some(val) => put_val(val),
            None => 0,
        }
    }
    let bytes = unsafe { safe_bytes(ptr, len) };
    match classify_encode(tag, bytes) {
        EncodeRequest::Direct(bits) => put_val(Val(bits)),