diff options
Diffstat (limited to 'components/script/dom/bindings/codegen')
| -rw-r--r-- | components/script/dom/bindings/codegen/CodegenRust.py | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/components/script/dom/bindings/codegen/CodegenRust.py b/components/script/dom/bindings/codegen/CodegenRust.py index d48db291dd4..a005956e02e 100644 --- a/components/script/dom/bindings/codegen/CodegenRust.py +++ b/components/script/dom/bindings/codegen/CodegenRust.py @@ -1335,7 +1335,7 @@ class AttrDefiner(PropertyDefiner): "native" : accessor}) def setter(attr): - if attr.readonly: + if attr.readonly and not attr.getExtendedAttribute("PutForwards"): return "JSStrictPropertyOpWrapper {op: None, info: 0 as *const JSJitInfo}" if self.static: @@ -2680,7 +2680,6 @@ class CGStaticMethod(CGAbstractStaticBindingMethod): self.method) return CGMethodCall(["global.r()"], nativeName, True, self.descriptor, self.method) - class CGGenericGetter(CGAbstractBindingMethod): """ A class for generating the C++ code for an IDL attribute getter. @@ -2794,7 +2793,7 @@ class CGSpecializedSetter(CGAbstractExternMethod): self.attr = attr name = 'set_' + attr.identifier.name args = [ Argument('*mut JSContext', 'cx'), - Argument('JSHandleObject', '_obj'), + Argument('JSHandleObject', 'obj'), Argument('*const %s' % descriptor.concreteType, 'this'), Argument('*mut JSVal', 'argv')] CGAbstractExternMethod.__init__(self, descriptor, name, "JSBool", args) @@ -2835,6 +2834,31 @@ class CGStaticSetter(CGAbstractStaticBindingMethod): self.attr) return CGList([checkForArg, call]) +class CGSpecializedForwardingSetter(CGSpecializedSetter): + """ + A class for generating the code for an IDL attribute forwarding setter. + """ + def __init__(self, descriptor, attr): + CGSpecializedSetter.__init__(self, descriptor, attr) + + def definition_body(self): + attrName = self.attr.identifier.name + forwardToAttrName = self.attr.getExtendedAttribute("PutForwards")[0] + # JS_GetProperty and JS_SetProperty can only deal with ASCII + assert all(ord(c) < 128 for c in attrName) + assert all(ord(c) < 128 for c in forwardToAttrName) + return CGGeneric("""\ +let mut v = UndefinedValue(); +if JS_GetProperty(cx, *obj.unnamed_field1, b"%s".as_ptr() as *const i8, &mut v) == 0 { + return 0; +} +if !v.is_object() { + throw_type_error(cx, "Value.%s is not an object."); + return 0; +} +let target_obj = v.to_object(); +JS_SetProperty(cx, target_obj, b"%s".as_ptr() as *const i8, argv.offset(0)) +""" % (attrName, attrName, forwardToAttrName)) class CGMemberJITInfo(CGThing): """ @@ -2863,7 +2887,7 @@ class CGMemberJITInfo(CGThing): getter = ("get_%s" % self.member.identifier.name) getterinfal = "infallible" in self.descriptor.getExtendedAttributes(self.member, getter=True) result = self.defineJitInfo(getterinfo, getter, getterinfal) - if not self.member.readonly: + if not self.member.readonly or self.member.getExtendedAttribute("PutForwards"): setterinfo = ("%s_setterinfo" % self.member.identifier.name) setter = ("set_%s" % self.member.identifier.name) # Setters are always fallible, since they have to do a typed unwrap. @@ -4329,6 +4353,9 @@ class CGDescriptor(CGThing): hasLenientSetter = True else: hasSetter = True + elif m.getExtendedAttribute("PutForwards"): + cgThings.append(CGSpecializedForwardingSetter(descriptor, m)) + hasSetter = True if (not m.isStatic() and not descriptor.interface.isCallback()): @@ -4711,7 +4738,7 @@ class CGBindingRoot(CGThing): 'js::jsapi::{JS_GetObjectPrototype, JS_GetProperty, JS_GetPropertyById}', 'js::jsapi::{JS_GetPropertyDescriptorById, JS_GetReservedSlot}', 'js::jsapi::{JS_HasProperty, JS_HasPropertyById, JS_IsExceptionPending}', - 'js::jsapi::{JS_NewObject, JS_ObjectIsCallable, JS_SetPrototype}', + 'js::jsapi::{JS_NewObject, JS_ObjectIsCallable, JS_SetProperty, JS_SetPrototype}', 'js::jsapi::{JS_SetReservedSlot, JS_WrapValue, JSBool, JSContext}', 'js::jsapi::{JSClass, JSFreeOp, JSFunctionSpec, JSHandleObject, jsid}', 'js::jsapi::{JSNativeWrapper, JSObject, JSPropertyDescriptor, JS_ArrayIterator}', |