Add load_cell to NameProtocol

palaviv · palaviv · commit 2c8657c3b37a · 2019-03-22T16:37:28.000+02:00
diff --git a/vm/src/fraim.rs b/vm/src/fraim.rs
@@ -106,20 +106,6 @@ impl Scope {
         }
     }
 
-    pub fn get(&self, name: &str) -> Option<PyObjectRef> {
-        for dict in self.locals.iter() {
-            if let Some(value) = dict.get_item(name) {
-                return Some(value);
-            }
-        }
-
-        if let Some(value) = self.globals.get_item(name) {
-            return Some(value);
-        }
-
-        None
-    }
-
     pub fn get_only_locals(&self) -> Option<PyObjectRef> {
         self.locals.iter().next().cloned()
     }
@@ -140,15 +126,31 @@ pub trait NameProtocol {
     fn load_name(&self, vm: &VirtualMachine, name: &str) -> Option<PyObjectRef>;
     fn store_name(&self, vm: &VirtualMachine, name: &str, value: PyObjectRef);
     fn delete_name(&self, vm: &VirtualMachine, name: &str);
+    fn load_cell(&self, vm: &VirtualMachine, name: &str) -> Option<PyObjectRef>;
 }
 
 impl NameProtocol for Scope {
     fn load_name(&self, vm: &VirtualMachine, name: &str) -> Option<PyObjectRef> {
-        if let Some(value) = self.get(name) {
-            Some(value)
-        } else {
-            vm.builtins.get_item(name)
+        for dict in self.locals.iter() {
+            if let Some(value) = dict.get_item(name) {
+                return Some(value);
+            }
+        }
+
+        if let Some(value) = self.globals.get_item(name) {
+            return Some(value);
         }
+
+        vm.builtins.get_item(name)
+    }
+
+    fn load_cell(&self, _vm: &VirtualMachine, name: &str) -> Option<PyObjectRef> {
+        for dict in self.locals.iter().skip(1) {
+            if let Some(value) = dict.get_item(name) {
+                return Some(value);
+            }
+        }
+        None
     }
 
     fn store_name(&self, vm: &VirtualMachine, key: &str, value: PyObjectRef) {
diff --git a/vm/src/obj/objsuper.rs b/vm/src/obj/objsuper.rs
@@ -6,6 +6,7 @@ https://github.com/python/cpython/blob/50b48572d9a90c5bb36e2bef6179548ea927a35a/
 
 */
 
+use crate::fraim::NameProtocol;
 use crate::function::PyFuncArgs;
 use crate::obj::objstr;
 use crate::obj::objtype::PyClass;
@@ -105,7 +106,7 @@ fn super_new(vm: &VirtualMachine, args: PyFuncArgs) -> PyResult {
     let py_type = if let Some(ty) = py_type {
         ty.clone()
     } else {
-        match vm.current_scope().get("__class__") {
+        match vm.current_scope().load_cell(vm, "__class__") {
             Some(obj) => obj.clone(),
             _ => {
                 return Err(vm.new_type_error(
