Stop using ptr.is_not_null() in script.

This method is deprecated in rust master; removing its users in advance will
make a future rust upgrade smoother.

components/script/dom/bindings/callback.rs

@@ -121,7 +121,7 @@ impl CallbackInterface {
 pub fn WrapCallThisObject<T: Reflectable>(cx: *mut JSContext,
                                           p: JSRef<T>) -> *mut JSObject {
     let mut obj = p.reflector().get_jsobject();
-    assert!(obj.is_not_null());
+    assert!(!obj.is_null());
 
     unsafe {
         if JS_WrapObject(cx, &mut obj) == 0 {

components/script/dom/bindings/codegen/CodegenRust.py

@@ -1805,7 +1805,7 @@ let obj = with_compartment(aCx, proto, || {
                    proto, %s,
                    ptr::null_mut(), ptr::null_mut())
 });
-assert!(obj.is_not_null());\
+assert!(!obj.is_null());\
 """ % (descriptor.name, parent)
     else:
         if descriptor.isGlobal():
@@ -1815,7 +1815,7 @@ assert!(obj.is_not_null());\
                        "    JS_NewObject(aCx, &Class.base as *const js::Class as *const JSClass, &*proto, &*%s)\n"
                        "});\n" % parent)
         create += """\
-assert!(obj.is_not_null());
+assert!(!obj.is_null());
 
 JS_SetReservedSlot(obj, DOM_OBJECT_SLOT as u32,
                    PrivateValue(squirrel_away_unique(aObject) as *const libc::c_void));"""
@@ -1841,11 +1841,11 @@ class CGWrapMethod(CGAbstractMethod):
         if not self.descriptor.isGlobal():
             return CGGeneric("""\
 let scope = aScope.reflector().get_jsobject();
-assert!(scope.is_not_null());
+assert!(!scope.is_null());
 assert!(((*JS_GetClass(scope)).flags & JSCLASS_IS_GLOBAL) != 0);
 
 let proto = with_compartment(aCx, scope, || GetProtoObject(aCx, scope, scope));
-assert!(proto.is_not_null());
+assert!(!proto.is_null());
 
 %s
 
@@ -1974,7 +1974,7 @@ class CGCreateInterfaceObjectsMethod(CGAbstractMethod):
                               toBindingNamespace(parentProtoName))
 
         getParentProto = ("let parentProto: *mut JSObject = %s;\n"
-                          "assert!(parentProto.is_not_null());\n") % getParentProto
+                          "assert!(!parentProto.is_null());\n") % getParentProto
 
         if self.descriptor.concrete:
             if self.descriptor.proxy:
@@ -2036,7 +2036,7 @@ let protoOrIfaceArray = GetProtoOrIfaceArray(aGlobal);
 let cachedObject: *mut JSObject = *protoOrIfaceArray.offset(%s as int);
 if cachedObject.is_null() {
     let tmp: *mut JSObject = CreateInterfaceObjects(aCx, aGlobal, aReceiver);
-    assert!(tmp.is_not_null());
+    assert!(!tmp.is_null());
     *protoOrIfaceArray.offset(%s as int) = tmp;
     tmp
 } else {
@@ -2151,8 +2151,8 @@ class CGDefineDOMInterfaceMethod(CGAbstractMethod):
 
     def definition_body(self):
         return CGGeneric("""\
-assert!(global.is_not_null());
+assert!(!global.is_null());
-assert!(GetProtoObject(cx, global, global).is_not_null());""")
+assert!(!GetProtoObject(cx, global, global).is_null());""")
 
 def needCx(returnType, arguments, considerTypes):
     return (considerTypes and
@@ -3691,12 +3691,12 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(CGAbstractExternMethod):
         return setOrIndexedGet + """\
 let expando: *mut JSObject = GetExpandoObject(proxy);
 //if (!xpc::WrapperFactory::IsXrayWrapper(proxy) && (expando = GetExpandoObject(proxy))) {
-if expando.is_not_null() {
+if !expando.is_null() {
     let flags = if set { JSRESOLVE_ASSIGNING } else { 0 } | JSRESOLVE_QUALIFIED;
     if JS_GetPropertyDescriptorById(cx, expando, id, flags, desc) == 0 {
         return false;
     }
-    if (*desc).obj.is_not_null() {
+    if !(*desc).obj.is_null() {
         // Pretend the property lives on the wrapper.
         (*desc).obj = proxy;
         return true;
@@ -3828,7 +3828,7 @@ class CGDOMJSProxyHandler_hasOwn(CGAbstractExternMethod):
 
         return indexed + """\
 let expando: *mut JSObject = GetExpandoObject(proxy);
-if expando.is_not_null() {
+if !expando.is_null() {
     let mut b: JSBool = 1;
     let ok = JS_HasPropertyById(cx, expando, id, &mut b) != 0;
     *bp = b != 0;
@@ -3853,7 +3853,7 @@ class CGDOMJSProxyHandler_get(CGAbstractExternMethod):
     def getBody(self):
         getFromExpando = """\
 let expando = GetExpandoObject(proxy);
-if expando.is_not_null() {
+if !expando.is_null() {
     let mut hasProp = 0;
     if JS_HasPropertyById(cx, expando, id, &mut hasProp) == 0 {
         return false;

components/script/dom/bindings/conversions.rs

@@ -343,7 +343,7 @@ impl FromJSValConvertible<()> for ByteString {
 impl ToJSValConvertible for Reflector {
     fn to_jsval(&self, cx: *mut JSContext) -> JSVal {
         let obj = self.get_jsobject();
-        assert!(obj.is_not_null());
+        assert!(!obj.is_null());
         let mut value = ObjectValue(unsafe { &*obj });
         if unsafe { JS_WrapValue(cx, &mut value) } == 0 {
             panic!("JS_WrapValue failed.");

components/script/dom/bindings/proxyhandler.rs

@@ -33,7 +33,7 @@ pub unsafe extern fn getPropertyDescriptor(cx: *mut JSContext, proxy: *mut JSObj
     if !InvokeGetOwnPropertyDescriptor(handler, cx, proxy, id, set, desc) {
         return false;
     }
-    if (*desc).obj.is_not_null() {
+    if !(*desc).obj.is_null() {
         return true;
     }
 
@@ -89,7 +89,7 @@ pub fn _obj_toString(cx: *mut JSContext, name: &str) -> *mut JSString {
         let length = result.len() as libc::size_t;
 
         let string = JS_NewStringCopyN(cx, chars, length);
-        assert!(string.is_not_null());
+        assert!(!string.is_null());
         return string;
     }
 }

components/script/dom/bindings/utils.rs

@@ -214,10 +214,10 @@ fn CreateInterfaceObject(cx: *mut JSContext, global: *mut JSObject, receiver: *m
     unsafe {
         let fun = JS_NewFunction(cx, Some(constructorNative), ctorNargs,
                                  JSFUN_CONSTRUCTOR, global, name);
-        assert!(fun.is_not_null());
+        assert!(!fun.is_null());
 
         let constructor = JS_GetFunctionObject(fun);
-        assert!(constructor.is_not_null());
+        assert!(!constructor.is_null());
 
         match members.staticMethods {
             Some(staticMethods) => DefineMethods(cx, constructor, staticMethods),
@@ -234,7 +234,7 @@ fn CreateInterfaceObject(cx: *mut JSContext, global: *mut JSObject, receiver: *m
             _ => (),
         }
 
-        if proto.is_not_null() {
+        if !proto.is_null() {
             assert!(JS_LinkConstructorAndPrototype(cx, constructor, proto) != 0);
         }
 
@@ -288,7 +288,7 @@ fn CreateInterfacePrototypeObject(cx: *mut JSContext, global: *mut JSObject,
                                   members: &'static NativeProperties) -> *mut JSObject {
     unsafe {
         let ourProto = JS_NewObjectWithUniqueType(cx, protoClass, &*parentProto, &*global);
-        assert!(ourProto.is_not_null());
+        assert!(!ourProto.is_null());
 
         match members.methods {
             Some(methods) => DefineMethods(cx, ourProto, methods),
@@ -366,7 +366,7 @@ impl Reflector {
     /// Initialize the reflector. (May be called only once.)
     pub fn set_jsobject(&self, object: *mut JSObject) {
         assert!(self.object.get().is_null());
-        assert!(object.is_not_null());
+        assert!(!object.is_null());
         self.object.set(object);
     }
 

components/script/dom/browsercontext.rs

@@ -43,7 +43,7 @@ impl BrowserContext {
     }
 
     pub fn window_proxy(&self) -> *mut JSObject {
-        assert!(self.window_proxy.is_not_null());
+        assert!(!self.window_proxy.is_null());
         self.window_proxy
     }
 
@@ -53,14 +53,14 @@ impl BrowserContext {
         let js_info = page.js_info();
 
         let WindowProxyHandler(handler) = js_info.as_ref().unwrap().dom_static.windowproxy_handler;
-        assert!(handler.is_not_null());
+        assert!(!handler.is_null());
 
         let parent = win.reflector().get_jsobject();
         let cx = js_info.as_ref().unwrap().js_context.ptr;
         let wrapper = with_compartment(cx, parent, || unsafe {
             WrapperNew(cx, parent, handler)
         });
-        assert!(wrapper.is_not_null());
+        assert!(!wrapper.is_null());
         self.window_proxy = wrapper;
     }
 }

components/script/dom/eventtarget.rs

@@ -221,7 +221,7 @@ impl<'a> EventTargetHelpers for JSRef<'a, EventTarget> {
         let funobj = unsafe {
             JS_CloneFunctionObject(cx, JS_GetFunctionObject(handler), scope)
         };
-        assert!(funobj.is_not_null());
+        assert!(!funobj.is_null());
         self.set_event_handler_common(ty, Some(EventHandlerNonNull::new(funobj)));
     }
 

components/script/script_task.rs

@@ -392,7 +392,7 @@ impl ScriptTask {
         let js_runtime = js::rust::rt();
         assert!({
             let ptr: *mut JSRuntime = (*js_runtime).ptr;
-            ptr.is_not_null()
+            !ptr.is_null()
         });
 
         // Unconstrain the runtime's threshold on nominal heap size, to avoid
@@ -407,7 +407,7 @@ impl ScriptTask {
         let js_context = js_runtime.cx();
         assert!({
             let ptr: *mut JSContext = (*js_context).ptr;
-            ptr.is_not_null()
+            !ptr.is_null()
         });
         js_context.set_default_options_and_version();
         js_context.set_logging_error_reporter();