for able

kernel/src/handle.rs

@@ -1,6 +1,10 @@
-use crate::arch::hardware_random_u64;
-use alloc::vec::Vec;
-use core::fmt::{self, Formatter};
+use crate::interp::objects::{Object, OBJECTS};
+
+use {
+    crate::arch::hardware_random_u64,
+    alloc::vec::Vec,
+    core::fmt::{self, Formatter},
+};
 #[derive(Debug, Eq, Hash, PartialEq, Clone, Copy)]
 pub struct OSHandle {
     pub id: u64,
@@ -21,19 +25,30 @@ impl OSHandle {
 pub struct Handle {
     id: OSHandle,
     perms: Permissions,
+    r#ref: usize,
 }
 
 impl Handle {
-    pub fn new() -> Handle {
+    pub fn new(r#ref: usize) -> Handle {
         Handle {
             id: OSHandle::random_new(),
             perms: Permissions::new(),
+            r#ref,
         }
     }
 
     pub fn as_u64(&self) -> u64 {
         self.id.id
     }
+
+    pub fn get<R, F: for <'a> FnOnce(Option<&'a mut Object>) -> R>(&self,f: F) -> R{
+        let l = OBJECTS;
+        let mut olock = l.lock();
+        let a = olock.get_mut(self.r#ref).and_then(|a|{
+            a.as_mut()
+        });
+        return f(a);
+    }
 }
 
 impl fmt::Display for Handle {

kernel/src/interp/host_functions.rs

@@ -34,7 +34,7 @@ pub fn host_register_idt_handler(
     0
 }
 
-use crate::interp::Handle;
+use crate::interp::{Handle, objects::{Object, ObjectHeader, ObjectSpecial}};
 
 pub fn host_make_object(
     mut caller: Caller<'_, HostState>,
@@ -54,14 +54,17 @@ pub fn host_make_object(
         name.push(ch);
     }
     trace!("Object Name {}", name);
-    let hand = Handle::new();
-    {
     let binding = OBJECTS;
     let mut olock = binding.lock();
+    let hand = Handle::new(olock.len());
     let obj = xml::XMLElement::new(name);
 
-        olock.push(Some(obj))
-    }
+    olock.push(Some(Object{
+        header: ObjectHeader{
+
+        },
+        special: ObjectSpecial::Xml(obj)
+    }));
     caller.data_mut().handles.push(hand);
     // hand.into()
     hand.as_u64().try_into().unwrap()

kernel/src/interp/mod.rs

@@ -1,5 +1,5 @@
 mod host_functions;
-mod objects;
+pub mod objects;
 use {
     crate::{
         handle::{self, Handle},

kernel/src/interp/objects.rs

@@ -1,9 +1,19 @@
-use alloc::vec;
-use alloc::vec::Vec;
+use alloc::{vec, vec::Vec};
 
 use spin::{Lazy, Mutex};
 
-pub type HostObjects = Vec<Option<xml::XMLElement>>;
+pub struct Object {
+    pub header: ObjectHeader,
+    pub special: ObjectSpecial,
+}
+
+pub struct ObjectHeader {}
+
+pub enum ObjectSpecial {
+    Xml(xml::XMLElement),
+}
+
+pub type HostObjects = Vec<Option<Object>>;
 
 pub const OBJECTS: Lazy<Mutex<HostObjects>> = Lazy::new(|| {
     let mut obj = vec![];

user/ablewasi/src/api.rs

@@ -13,7 +13,7 @@ impl Drop for Object{
 }
 
 impl Object{
-    fn to_global(self) -> [u64; 4]{
+    pub fn to_global(self) -> [u64; 4]{
         let b = unsafe {
             sys::make_global(self.id).into()
         };
@@ -21,9 +21,16 @@ impl Object{
         return b;
     }
     
-    fn from_global(a: [u64; 4]) -> Object{
+    pub fn from_global(a: [u64; 4]) -> Object{
         return Object{id: unsafe {
             sys::take_global(a.into())
         }};
     }
+
+    pub fn new(name: &str) -> Object{
+        return Object{id: unsafe {
+            let a = name.as_ptr();
+            sys::create_object(a, name.len() as i32)
+        }};
+    }
 }