nac3artiq/demo/class_instantiation_test.py

@@ -0,0 +1,20 @@
+from min_artiq import *
+
+@nac3
+class Foo:
+    attr: Kernel[str]
+    @kernel
+    def __init__(self):
+        self.attr = "attr"
+
+@nac3
+class Bar:
+    core: KernelInvariant[Core]
+    def __init__(self):
+        self.core = Core()
+    @kernel
+    def run(self):
+        a = Foo()
+
+if __name__ == "__main__":
+    Bar().run()

nac3artiq/demo/string_attribute_issue339.py

@@ -0,0 +1,24 @@
+from min_artiq import *
+from numpy import int32
+
+
+@nac3
+class Demo:
+    core: KernelInvariant[Core]
+    attr1: KernelInvariant[str]
+    attr2: KernelInvariant[int32]
+
+
+    def __init__(self):
+        self.core = Core()
+        self.attr2 = 32
+        self.attr1 = "SAMPLE"
+
+    @kernel
+    def run(self):
+        print_int32(self.attr2)
+        self.attr1
+
+
+if __name__ == "__main__":
+    Demo().run()

nac3artiq/src/lib.rs

@@ -102,6 +102,7 @@ pub struct PrimitivePythonId {
     float: u64,
     float64: u64,
     bool: u64,
+    string: u64,
     list: u64,
     ndarray: u64,
     tuple: u64,
@@ -921,6 +922,7 @@ impl Nac3 {
             uint32: get_attr_id(numpy_mod, "uint32"),
             uint64: get_attr_id(numpy_mod, "uint64"),
             bool: get_attr_id(builtins_mod, "bool"),
+            string: get_attr_id(builtins_mod, "str"),
             float: get_attr_id(builtins_mod, "float"),
             float64: get_attr_id(numpy_mod, "float64"),
             list: get_attr_id(builtins_mod, "list"),

nac3artiq/src/symbol_resolver.rs

@@ -35,6 +35,7 @@ pub enum PrimitiveValue {
     U64(u64),
     F64(f64),
     Bool(bool),
+    Str(String),
 }
 
 /// An entry in the [`DeferredEvaluationStore`], containing the deferred types, a [`PyObject`]
@@ -154,6 +155,7 @@ impl StaticValue for PythonValue {
                 PrimitiveValue::Bool(val) => {
                     ctx.ctx.i8_type().const_int(u64::from(*val), false).into()
                 }
+                PrimitiveValue::Str(val) => ctx.ctx.const_string(val.as_bytes(), true).into(),
             });
         }
         if let Some(global) = ctx.module.get_global(&self.id.to_string()) {
@@ -300,7 +302,11 @@ impl InnerResolver {
         let ty_id: u64 = self.helper.id_fn.call1(py, (pyty,))?.extract(py)?;
         let ty_ty_id: u64 =
             self.helper.id_fn.call1(py, (self.helper.type_fn.call1(py, (pyty,))?,))?.extract(py)?;
-
+        let py_obj_id: u64 = self.helper.id_fn.call1(py, (pyty,))?.extract(py)?;
+        let get_def_id = || {
+            self.pyid_to_def.read().get(&ty_id).copied()
+                .or_else(|| self.pyid_to_def.read().get(&py_obj_id).copied())
+        };
         if ty_id == self.primitive_ids.int || ty_id == self.primitive_ids.int32 {
             Ok(Ok((primitives.int32, true)))
         } else if ty_id == self.primitive_ids.int64 {
@@ -311,6 +317,8 @@ impl InnerResolver {
             Ok(Ok((primitives.uint64, true)))
         } else if ty_id == self.primitive_ids.bool {
             Ok(Ok((primitives.bool, true)))
+        } else if ty_id == self.primitive_ids.string {
+            Ok(Ok((primitives.str, true))) 
         } else if ty_id == self.primitive_ids.float || ty_id == self.primitive_ids.float64 {
             Ok(Ok((primitives.float, true)))
         } else if ty_id == self.primitive_ids.exception {
@@ -333,7 +341,7 @@ impl InnerResolver {
             Ok(Ok((primitives.option, false)))
         } else if ty_id == self.primitive_ids.none {
             unreachable!("none cannot be typeid")
-        } else if let Some(def_id) = self.pyid_to_def.read().get(&ty_id).copied() {
+        } else if let Some(def_id) = get_def_id() {
             let def = defs[def_id.0].read();
             let TopLevelDef::Class { object_id, type_vars, fields, methods, .. } = &*def else {
                 // only object is supported, functions are not supported
@@ -599,14 +607,15 @@ impl InnerResolver {
         let pyid_to_def = self.pyid_to_def.read();
         let constructor_ty = pyid_to_def.get(&py_obj_id).and_then(|def_id| {
             defs.iter().find_map(|def| {
-                if let TopLevelDef::Class { object_id, methods, constructor, .. } = &*def.read() {
+                if let Some(rear_guard) = def.try_read(){
-                    if object_id == def_id
+                    if let TopLevelDef::Class {
-                        && constructor.is_some()
+                        object_id, methods, constructor, ..
-                        && methods.iter().any(|(s, _, _)| s == &"__init__".into())
+                    } = &*rear_guard {
-                    {
+                        if object_id == def_id && constructor.is_some() && methods.iter().any(|(s, _, _)| s == &"__init__".into()) {
                             return *constructor;
                         }
                     }
+                }
                 None
             })
         });
@@ -625,6 +634,7 @@ impl InnerResolver {
                     self.primitive_ids.generic_alias.1,
                 ]
                 .contains(&self.helper.id_fn.call1(py, (ty.clone(),))?.extract::<u64>(py)?) 
+                || self.pyid_to_def.read().contains_key(&py_obj_id)
                 {
                     obj
                 } else {
@@ -881,6 +891,10 @@ impl InnerResolver {
             let val: f64 = obj.extract().unwrap();
             self.id_to_primitive.write().insert(id, PrimitiveValue::F64(val));
             Ok(Some(ctx.ctx.f64_type().const_float(val).into()))
+        } else if ty_id == self.primitive_ids.string {
+            let val: String = obj.extract().unwrap();
+            self.id_to_primitive.write().insert(id, PrimitiveValue::Str(val.clone()));
+            Ok(Some(ctx.ctx.const_string(val.as_bytes(), true).into()))
         } else if ty_id == self.primitive_ids.list {
             let id_str = id.to_string();
 
@@ -1123,6 +1137,9 @@ impl InnerResolver {
         } else if ty_id == self.primitive_ids.bool {
             let val: bool = obj.extract()?;
             Ok(SymbolValue::Bool(val))
+        } else if ty_id == self.primitive_ids.string {
+            let val:String = obj.extract()?;
+            Ok(SymbolValue::Str(val))
         } else if ty_id == self.primitive_ids.float || ty_id == self.primitive_ids.float64 {
             let val: f64 = obj.extract()?;
             Ok(SymbolValue::Double(val))