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127 changes: 64 additions & 63 deletions stdlib/src/sync.rs
Original file line number Diff line number Diff line change
Expand Up @@ -34,74 +34,75 @@ impl ScriptMutex {
}
}

fn make_mutex_fn() -> Rc<dyn techscript_runtime::function::Callable> {
Rc::new(StdFunction {
name: "make_mutex".to_string(),
arity: 0,
callback: |ctx, _args| {
let mutex = ScriptMutex::new();
let handle_id = ctx.resources.borrow_mut().insert(mutex);
let mut map = IndexMap::new();
map.insert("_handle".to_string(), RuntimeValue::Int(handle_id as i64));
Ok(RuntimeValue::Map {
entries: Rc::new(RefCell::new(map)),
is_const: false,
})
},
})
}

fn mutex_lock_fn() -> Rc<dyn techscript_runtime::function::Callable> {
Rc::new(StdFunction {
name: "mutex_lock".to_string(),
arity: 1,
callback: |ctx, args| {
if let RuntimeValue::Map { entries, .. } = &args[0] {
let handle_id = entries
.borrow()
.get("_handle")
.cloned()
.unwrap_or(RuntimeValue::Null)
.try_into_int()? as u32;
let resources = ctx.resources.borrow();
if let Some(mutex) = resources.get::<ScriptMutex>(handle_id) {
mutex.lock();
}
}
Ok(RuntimeValue::Null)
},
})
}

fn mutex_unlock_fn() -> Rc<dyn techscript_runtime::function::Callable> {
Rc::new(StdFunction {
name: "mutex_unlock".to_string(),
arity: 1,
callback: |ctx, args| {
if let RuntimeValue::Map { entries, .. } = &args[0] {
let handle_id = entries
.borrow()
.get("_handle")
.cloned()
.unwrap_or(RuntimeValue::Null)
.try_into_int()? as u32;
let resources = ctx.resources.borrow();
if let Some(mutex) = resources.get::<ScriptMutex>(handle_id) {
mutex.unlock();
}
}
Ok(RuntimeValue::Null)
},
})
}

impl StdlibRegistry {
pub fn register_sync(&mut self) {
let mut exports: HashMap<String, Rc<dyn techscript_runtime::function::Callable>> =
HashMap::new();

exports.insert(
"make_mutex".to_string(),
Rc::new(StdFunction {
name: "make_mutex".to_string(),
arity: 0,
callback: |ctx, _args| {
let mutex = ScriptMutex::new();
let handle_id = ctx.resources.borrow_mut().insert(mutex);
let mut map = IndexMap::new();
map.insert("_handle".to_string(), RuntimeValue::Int(handle_id as i64));
Ok(RuntimeValue::Map {
entries: Rc::new(RefCell::new(map)),
is_const: false,
})
},
}),
);

exports.insert(
"mutex_lock".to_string(),
Rc::new(StdFunction {
name: "mutex_lock".to_string(),
arity: 1,
callback: |ctx, args| {
if let RuntimeValue::Map { entries, .. } = &args[0] {
let handle_id = entries
.borrow()
.get("_handle")
.cloned()
.unwrap_or(RuntimeValue::Null)
.try_into_int()? as u32;
let resources = ctx.resources.borrow();
if let Some(mutex) = resources.get::<ScriptMutex>(handle_id) {
mutex.lock();
}
}
Ok(RuntimeValue::Null)
},
}),
);

exports.insert(
"mutex_unlock".to_string(),
Rc::new(StdFunction {
name: "mutex_unlock".to_string(),
arity: 1,
callback: |ctx, args| {
if let RuntimeValue::Map { entries, .. } = &args[0] {
let handle_id = entries
.borrow()
.get("_handle")
.cloned()
.unwrap_or(RuntimeValue::Null)
.try_into_int()? as u32;
let resources = ctx.resources.borrow();
if let Some(mutex) = resources.get::<ScriptMutex>(handle_id) {
mutex.unlock();
}
}
Ok(RuntimeValue::Null)
},
}),
);
exports.insert("make_mutex".to_string(), make_mutex_fn());
exports.insert("mutex_lock".to_string(), mutex_lock_fn());
exports.insert("mutex_unlock".to_string(), mutex_unlock_fn());

self.register_module(
"std.sync",
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