diff options
Diffstat (limited to 'src/components/script/dom/bindings/codegen/CodegenRust.py')
-rw-r--r-- | src/components/script/dom/bindings/codegen/CodegenRust.py | 239 |
1 files changed, 142 insertions, 97 deletions
diff --git a/src/components/script/dom/bindings/codegen/CodegenRust.py b/src/components/script/dom/bindings/codegen/CodegenRust.py index cb3fc862c64..55bfa9eac91 100644 --- a/src/components/script/dom/bindings/codegen/CodegenRust.py +++ b/src/components/script/dom/bindings/codegen/CodegenRust.py @@ -394,6 +394,9 @@ def typeIsSequenceOrHasSequenceMember(type): type.flatMemberTypes) return False +def typeNeedsRooting(type, descriptorProvider): + return type.isGeckoInterface() and descriptorProvider.getDescriptor(type.name).needsRooting + def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, isDefinitelyObject=False, isMember=False, @@ -481,6 +484,8 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, if exceptionCode is None: exceptionCode = "return 0;" + needsRooting = typeNeedsRooting(type, descriptorProvider) + def handleOptional(template, declType, isOptional): if isOptional: template = "Some(%s)" % template @@ -489,7 +494,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, else: initialValue = None - return (template, declType, isOptional, initialValue) + return (template, declType, isOptional, initialValue, needsRooting) # Unfortunately, .capitalize() on a string will lowercase things inside the # string, which we do not want. @@ -551,7 +556,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, templateBody += ( "} else {\n" + CGIndenter(onFailureNotAnObject(failureCode)).define() + - "}") + "}\n") if type.nullable(): templateBody = handleDefaultNull(templateBody, "None") else: @@ -601,6 +606,8 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, failureCode) return handleOptional(template, declType, isOptional) + descriptorType = descriptor.memberType if isMember else descriptor.nativeType + templateBody = "" if descriptor.interface.isConsequential(): raise TypeError("Consequential interface %s being used as an " @@ -616,11 +623,14 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, descriptor, "(${val}).to_object()")) - declType = CGGeneric(descriptor.nativeType) + declType = CGGeneric(descriptorType) if type.nullable(): templateBody = "Some(%s)" % templateBody declType = CGWrapper(declType, pre="Option<", post=">") + if isMember: + templateBody += ".root()" + templateBody = wrapObjectTemplate(templateBody, isDefinitelyObject, type, failureCode) @@ -745,7 +755,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, "} else {\n" " ${declName} = NULL;\n" "}" % haveCallable, - CGGeneric("JSObject*"), isOptional, None) + CGGeneric("JSObject*"), isOptional, None, needsRooting) if type.isAny(): assert not isEnforceRange and not isClamp @@ -789,7 +799,7 @@ def getJSToNativeConversionTemplate(type, descriptorProvider, failureCode=None, assert not isOptional # This one only happens for return values, and its easy: Just # ignore the jsval. - return ("", None, False, None) + return ("", None, False, None, False) if not type.isPrimitive(): raise TypeError("Need conversion for argument type '%s'" % str(type)) @@ -842,7 +852,7 @@ def instantiateJSToNativeConversionTemplate(templateTuple, replacements, replace ${argc} and ${index}, where ${index} is the index of this argument (0-based) and ${argc} is the total number of arguments. """ - (templateBody, declType, dealWithOptional, initialValue) = templateTuple + (templateBody, declType, dealWithOptional, initialValue, needsRooting) = templateTuple if dealWithOptional and argcAndIndex is None: raise TypeError("Have to deal with optional things, but don't know how") @@ -888,6 +898,12 @@ def instantiateJSToNativeConversionTemplate(templateTuple, replacements, # Add an empty CGGeneric to get an extra newline after the argument # conversion. result.append(CGGeneric("")) + + if needsRooting: + rootBody = "let ${declName} = ${declName}.root();" + result.append(CGGeneric(string.Template(rootBody).substitute(replacements))) + result.append(CGGeneric("")) + return result; def convertConstIDLValueToJSVal(value): @@ -985,6 +1001,13 @@ def typeNeedsCx(type, retVal=False): return True return type.isCallback() or type.isAny() or type.isObject() +def typeRetValNeedsRooting(type): + if type is None: + return False + if type.nullable(): + type = type.inner + return type.isGeckoInterface() and not type.isCallback() + def memberIsCreator(member): return member.getExtendedAttribute("Creator") is not None @@ -1016,7 +1039,7 @@ def getRetvalDeclarationForType(returnType, descriptorProvider): if returnType.isGeckoInterface(): descriptor = descriptorProvider.getDescriptor( returnType.unroll().inner.identifier.name) - result = CGGeneric(descriptor.nativeType) + result = CGGeneric(descriptor.returnType) if returnType.nullable(): result = CGWrapper(result, pre="Option<", post=">") return result @@ -1365,7 +1388,7 @@ class CGImports(CGWrapper): """ Generates the appropriate import/use statements. """ - def __init__(self, child, imports): + def __init__(self, child, descriptors, imports): """ Adds a set of imports. """ @@ -1385,6 +1408,10 @@ class CGImports(CGWrapper): 'dead_code', ] + for d in descriptors: + name = d.interface.identifier.name + imports.append('dom::%s::%sMethods' % (name.lower(), name)) + statements = ['#![allow(%s)]' % ','.join(ignored_warnings)] statements.extend('use %s;' % i for i in sorted(imports)) @@ -1763,7 +1790,7 @@ class CGAbstractMethod(CGThing): def _returnType(self): return (" -> %s" % self.returnType) if self.returnType != "void" else "" def _unsafe_open(self): - return "\n unsafe {" if self.unsafe else "" + return "\n unsafe {\n" if self.unsafe else "" def _unsafe_close(self): return "\n }\n" if self.unsafe else "" @@ -1783,7 +1810,7 @@ def CreateBindingJSObject(descriptor, parent=None): if descriptor.proxy: assert not descriptor.createGlobal handler = """ - let js_info = aScope.get().page().js_info(); + let js_info = aScope.deref().page().js_info(); let handler = js_info.get_ref().dom_static.proxy_handlers.deref().get(&(PrototypeList::id::%s as uint)); """ % descriptor.name create += handler + """ let obj = NewProxyObject(aCx, *handler, @@ -1809,7 +1836,7 @@ class CGWrapMethod(CGAbstractMethod): def __init__(self, descriptor): assert descriptor.interface.hasInterfacePrototypeObject() if not descriptor.createGlobal: - args = [Argument('*JSContext', 'aCx'), Argument('&JS<Window>', 'aScope'), + args = [Argument('*JSContext', 'aCx'), Argument('&JSRef<Window>', 'aScope'), Argument("~" + descriptor.concreteType, 'aObject', mutable=True)] else: args = [Argument('*JSContext', 'aCx'), @@ -2210,6 +2237,9 @@ class CGCallGenerator(CGThing): self.cgRoot.append(CGGeneric("}")) self.cgRoot.append(CGGeneric("result = result_fallible.unwrap();")) + if typeRetValNeedsRooting(returnType): + self.cgRoot.append(CGGeneric("let result = result.root();")) + def define(self): return self.cgRoot.define() @@ -2277,7 +2307,12 @@ class CGPerSignatureCall(CGThing): def getArgc(self): return "argc" def getArguments(self): - return [(a, "arg" + str(i)) for (i, a) in enumerate(self.arguments)] + def process(arg, i): + argVal = "arg" + str(i) + if arg.type.isGeckoInterface() and not arg.type.unroll().inner.isCallback(): + argVal += ".root_ref()" + return argVal + return [(a, process(a, i)) for (i, a) in enumerate(self.arguments)] def isFallible(self): return not 'infallible' in self.extendedAttributes @@ -2447,17 +2482,10 @@ class CGSpecializedMethod(CGAbstractExternMethod): def definition_body(self): name = self.method.identifier.name - nativeName = MakeNativeName(name) - extraPre = '' - argsPre = [] - if name in self.descriptor.needsAbstract: - abstractName = re.sub(r'<\w+>', '', self.descriptor.nativeType) - extraPre = ' let mut abstract_this = %s::from_raw(this);\n' % abstractName - argsPre = ['&mut abstract_this'] - return CGWrapper(CGMethodCall(argsPre, nativeName, self.method.isStatic(), + return CGWrapper(CGMethodCall([], MakeNativeName(name), self.method.isStatic(), self.descriptor, self.method), - pre=extraPre + - " let this = &mut *this;\n").define() + pre=" let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n").define() class CGGenericGetter(CGAbstractBindingMethod): """ @@ -2480,10 +2508,8 @@ class CGGenericGetter(CGAbstractBindingMethod): def generate_code(self): return CGIndenter(CGGeneric( - "return with_gc_disabled(cx, || {\n" - " let info: *JSJitInfo = RUST_FUNCTION_VALUE_TO_JITINFO(JS_CALLEE(cx, &*vp));\n" - " CallJitPropertyOp(info, cx, obj, this.unsafe_get() as *libc::c_void, &*vp)\n" - "});\n")) + "let info: *JSJitInfo = RUST_FUNCTION_VALUE_TO_JITINFO(JS_CALLEE(cx, &*vp));\n" + "return CallJitPropertyOp(info, cx, obj, this.unsafe_get() as *libc::c_void, &*vp);\n")) class CGSpecializedGetter(CGAbstractExternMethod): """ @@ -2502,21 +2528,15 @@ class CGSpecializedGetter(CGAbstractExternMethod): def definition_body(self): name = self.attr.identifier.name nativeName = MakeNativeName(name) - extraPre = '' - argsPre = [] infallible = ('infallible' in self.descriptor.getExtendedAttributes(self.attr, getter=True)) - if name in self.descriptor.needsAbstract: - abstractName = re.sub(r'<\w+>', '', self.descriptor.nativeType) - extraPre = ' let mut abstract_this = %s::from_raw(this);\n' % abstractName - argsPre = ['&mut abstract_this'] if self.attr.type.nullable() or not infallible: nativeName = "Get" + nativeName - return CGWrapper(CGIndenter(CGGetterCall(argsPre, self.attr.type, nativeName, + return CGWrapper(CGIndenter(CGGetterCall([], self.attr.type, nativeName, self.descriptor, self.attr)), - pre=extraPre + - " let this = &mut *this;\n").define() + pre=" let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n").define() class CGGenericSetter(CGAbstractBindingMethod): """ @@ -2541,10 +2561,7 @@ class CGGenericSetter(CGAbstractBindingMethod): "let undef = UndefinedValue();\n" "let argv: *JSVal = if argc != 0 { JS_ARGV(cx, vp as *JSVal) } else { &undef as *JSVal };\n" "let info: *JSJitInfo = RUST_FUNCTION_VALUE_TO_JITINFO(JS_CALLEE(cx, vp as *JSVal));\n" - "let ok = with_gc_disabled(cx, || {\n" - " CallJitPropertyOp(info, cx, obj, this.unsafe_get() as *libc::c_void, argv)\n" - "});\n" - "if ok == 0 {\n" + "if CallJitPropertyOp(info, cx, obj, this.unsafe_get() as *libc::c_void, argv) == 0 {\n" " return 0;\n" "}\n" "*vp = UndefinedValue();\n" @@ -2566,17 +2583,11 @@ class CGSpecializedSetter(CGAbstractExternMethod): def definition_body(self): name = self.attr.identifier.name - nativeName = "Set" + MakeNativeName(name) - argsPre = [] - extraPre = '' - if name in self.descriptor.needsAbstract: - abstractName = re.sub(r'<\w+>', '', self.descriptor.nativeType) - extraPre = ' let mut abstract_this = %s::from_raw(this);\n' % abstractName - argsPre = ['&mut abstract_this'] - return CGWrapper(CGIndenter(CGSetterCall(argsPre, self.attr.type, nativeName, + return CGWrapper(CGIndenter(CGSetterCall([], self.attr.type, + "Set" + MakeNativeName(name), self.descriptor, self.attr)), - pre=extraPre + - " let this = &mut *this;\n").define() + pre=" let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n").define() class CGMemberJITInfo(CGThing): @@ -2744,7 +2755,7 @@ def getUnionTypeTemplateVars(type, descriptorProvider): name = type.name typeName = "/*" + type.name + "*/" - (template, _, _, _) = getJSToNativeConversionTemplate( + (template, _, _, _, _) = getJSToNativeConversionTemplate( type, descriptorProvider, failureCode="return Ok(None);", exceptionCode='return Err(());', isDefinitelyObject=True, isOptional=False) @@ -3411,7 +3422,12 @@ class CGProxySpecialOperation(CGPerSignatureCall): self.cgRoot.prepend(CGGeneric("let mut found = false;")) def getArguments(self): - args = [(a, a.identifier.name) for a in self.arguments] + def process(arg): + argVal = arg.identifier.name + if arg.type.isGeckoInterface() and not arg.type.unroll().inner.isCallback(): + argVal += ".root_ref()" + return argVal + args = [(a, process(a)) for a in self.arguments] if self.idlNode.isGetter(): args.append((FakeArgument(BuiltinTypes[IDLBuiltinType.Types.boolean], self.idlNode), @@ -3461,14 +3477,14 @@ class CGProxyNamedSetter(CGProxySpecialOperation): class CGProxyUnwrap(CGAbstractMethod): def __init__(self, descriptor): args = [Argument('*JSObject', 'obj')] - CGAbstractMethod.__init__(self, descriptor, "UnwrapProxy", '*' + descriptor.concreteType, args, alwaysInline=True) + CGAbstractMethod.__init__(self, descriptor, "UnwrapProxy", '*mut ' + descriptor.concreteType, args, alwaysInline=True) def definition_body(self): return """ /*if (xpc::WrapperFactory::IsXrayWrapper(obj)) { obj = js::UnwrapObject(obj); }*/ //MOZ_ASSERT(IsProxy(obj)); - let box_: *%s = cast::transmute(GetProxyPrivate(obj).to_private()); + let box_: *mut %s = cast::transmute(GetProxyPrivate(obj).to_private()); return box_;""" % (self.descriptor.concreteType) class CGDOMJSProxyHandler_getOwnPropertyDescriptor(CGAbstractExternMethod): @@ -3493,9 +3509,11 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(CGAbstractExternMethod): templateValues = {'jsvalRef': '(*desc).value', 'successCode': fillDescriptor} get = ("if index.is_some() {\n" + " let index = index.unwrap();\n" + - " let this: *%s = UnwrapProxy(proxy);\n" + + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyIndexedGetter(self.descriptor, templateValues)).define() + "\n" + - "}\n") % (self.descriptor.concreteType) + "}\n") if indexedSetter or self.descriptor.operations['NamedSetter']: setOrIndexedGet += "if set != 0 {\n" @@ -3538,9 +3556,11 @@ class CGDOMJSProxyHandler_getOwnPropertyDescriptor(CGAbstractExternMethod): namedGet = ("\n" + "if set == 0 && RUST_JSID_IS_STRING(id) != 0 && !HasPropertyOnPrototype(cx, proxy, id) {\n" + " let name = Some(jsid_to_str(cx, id));\n" + - " let this: *%s = UnwrapProxy(proxy);\n" + + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyNamedGetter(self.descriptor, templateValues)).define() + "\n" + - "}\n") % (self.descriptor.concreteType) + "}\n") else: namedGet = "" @@ -3581,10 +3601,12 @@ class CGDOMJSProxyHandler_defineProperty(CGAbstractExternMethod): set += ("let index = GetArrayIndexFromId(cx, id);\n" + "if index.is_some() {\n" + " let index = index.unwrap();\n" + - " let this: *mut %s = UnwrapProxy(proxy) as *mut %s;\n" + + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyIndexedSetter(self.descriptor)).define() + " return 1;\n" + - "}\n") % (self.descriptor.concreteType, self.descriptor.concreteType) + "}\n") elif self.descriptor.operations['IndexedGetter']: set += ("if GetArrayIndexFromId(cx, id).is_some() {\n" + " return 0;\n" + @@ -3597,20 +3619,24 @@ class CGDOMJSProxyHandler_defineProperty(CGAbstractExternMethod): raise TypeError("Can't handle creator that's different from the setter") set += ("if RUST_JSID_IS_STRING(id) != 0 {\n" + " let name = Some(jsid_to_str(cx, id));\n" + - " let this: *%s = UnwrapProxy(proxy);\n" + + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyNamedSetter(self.descriptor)).define() + "\n" + - "}\n") % (self.descriptor.concreteType) + "}\n") elif self.descriptor.operations['NamedGetter']: set += ("if RUST_JSID_IS_STRING(id) {\n" + " let name = Some(jsid_to_str(cx, id));\n" + - " let this: %%s = UnwrapProxy(proxy);\n" + + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyNamedGetter(self.descriptor)).define() + " if (found) {\n" " return 0;\n" + " //return ThrowErrorMessage(cx, MSG_NO_PROPERTY_SETTER, \"%s\");\n" + " }\n" + " return 1;\n" - "}\n") % (self.descriptor.concreteType, self.descriptor.name) + "}\n") % (self.descriptor.name) return set + """return proxyhandler::defineProperty_(%s);""" % ", ".join(a.name for a in self.args) def definition_body(self): @@ -3628,11 +3654,13 @@ class CGDOMJSProxyHandler_hasOwn(CGAbstractExternMethod): indexed = ("let index = GetArrayIndexFromId(cx, id);\n" + "if index.is_some() {\n" + " let index = index.unwrap();\n" + - " let this: *%s = UnwrapProxy(proxy);\n" + + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyIndexedGetter(self.descriptor)).define() + "\n" + " *bp = found as JSBool;\n" + " return 1;\n" + - "}\n\n") % (self.descriptor.concreteType) + "}\n\n") else: indexed = "" @@ -3640,12 +3668,14 @@ class CGDOMJSProxyHandler_hasOwn(CGAbstractExternMethod): if namedGetter: named = ("if RUST_JSID_IS_STRING(id) != 0 && !HasPropertyOnPrototype(cx, proxy, id) {\n" + " let name = Some(jsid_to_str(cx, id));\n" + - " let this: *%s = UnwrapProxy(proxy);\n" + + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyNamedGetter(self.descriptor)).define() + "\n" + " *bp = found as JSBool;\n" " return 1;\n" "}\n" + - "\n") % (self.descriptor.concreteType) + "\n") else: named = "" @@ -3693,6 +3723,8 @@ if expando.is_not_null() { "if index.is_some() {\n" + " let index = index.unwrap();\n" + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyIndexedGetter(self.descriptor, templateValues)).define()) getIndexedOrExpando += """ // Even if we don't have this index, we don't forward the @@ -3709,6 +3741,8 @@ if expando.is_not_null() { getNamed = ("if (JSID_IS_STRING(id)) {\n" + " let name = Some(jsid_to_str(cx, id));\n" + " let this = UnwrapProxy(proxy);\n" + + " let this = JS::from_raw(this);\n" + + " let mut this = this.root();\n" + CGIndenter(CGProxyNamedGetter(self.descriptor, templateValues)).define() + "}\n") % (self.descriptor.concreteType) else: @@ -3825,11 +3859,11 @@ class CGClassConstructHook(CGAbstractExternMethod): def generate_code(self): preamble = """ - let global = global_object_for_js_object(JS_CALLEE(cx, &*vp).to_object()); - let obj = global.reflector().get_jsobject(); + let global = global_object_for_js_object(JS_CALLEE(cx, &*vp).to_object()).root(); + let obj = global.deref().reflector().get_jsobject(); """ nativeName = MakeNativeName(self._ctor.identifier.name) - callGenerator = CGMethodCall(["&global"], nativeName, True, + callGenerator = CGMethodCall(["&global.root_ref()"], nativeName, True, self.descriptor, self._ctor) return preamble + callGenerator.define(); @@ -4030,7 +4064,7 @@ class CGDictionary(CGThing): def struct(self): d = self.dictionary if d.parent: - inheritance = " pub parent: %s::%s,\n" % (self.makeModuleName(d.parent), + inheritance = " pub parent: %s::%s<'a, 'b>,\n" % (self.makeModuleName(d.parent), self.makeClassName(d.parent)) else: inheritance = "" @@ -4039,7 +4073,7 @@ class CGDictionary(CGThing): for m in self.memberInfo] return (string.Template( - "pub struct ${selfName} {\n" + + "pub struct ${selfName}<'a, 'b> {\n" + "${inheritance}" + "\n".join(memberDecls) + "\n" + "}").substitute( { "selfName": self.makeClassName(d), @@ -4065,7 +4099,7 @@ class CGDictionary(CGThing): memberInits = CGList([memberInit(m) for m in self.memberInfo]) return string.Template( - "impl ${selfName} {\n" + "impl<'a, 'b> ${selfName}<'a, 'b> {\n" " pub fn new(cx: *JSContext, val: JSVal) -> Result<${selfName}, ()> {\n" " let object = if val.is_null_or_undefined() {\n" " ptr::null()\n" @@ -4104,14 +4138,14 @@ class CGDictionary(CGThing): def getMemberType(self, memberInfo): (member, (templateBody, declType, - dealWithOptional, initialValue)) = memberInfo + dealWithOptional, initialValue, _)) = memberInfo if dealWithOptional: declType = CGWrapper(declType, pre="Optional< ", post=" >") return declType.define() def getMemberConversion(self, memberInfo): (member, (templateBody, declType, - dealWithOptional, initialValue)) = memberInfo + dealWithOptional, initialValue, _)) = memberInfo replacements = { "val": "value.unwrap()" } if member.defaultValue: replacements["haveValue"] = "value.is_some()" @@ -4238,7 +4272,7 @@ class CGBindingRoot(CGThing): # Add imports #XXXjdm This should only import the namespace for the current binding, # not every binding ever. - curr = CGImports(curr, [ + curr = CGImports(curr, descriptors, [ 'js', 'js::{JS_ARGV, JS_CALLEE, JS_THIS_OBJECT}', 'js::{JSCLASS_GLOBAL_SLOT_COUNT, JSCLASS_IS_DOMJSCLASS}', @@ -4266,7 +4300,9 @@ class CGBindingRoot(CGThing): 'js::glue::{RUST_JS_NumberValue, RUST_JSID_IS_STRING}', 'dom::types::*', 'dom::bindings', - 'dom::bindings::js::JS', + 'dom::bindings::js::{JS, JSRef, Root, RootedReference, Temporary}', + 'dom::bindings::js::{OptionalRootable, OptionalRootedRootable, ResultRootable}', + 'dom::bindings::js::{OptionalRootedReference, OptionalOptionalRootedRootable}', 'dom::bindings::utils::{CreateDOMGlobal, CreateInterfaceObjects2}', 'dom::bindings::utils::{ConstantSpec, cx_for_dom_object, Default}', 'dom::bindings::utils::{dom_object_slot, DOM_OBJECT_SLOT, DOMClass}', @@ -4279,8 +4315,7 @@ class CGBindingRoot(CGThing): 'dom::bindings::utils::{Reflectable}', 'dom::bindings::utils::{squirrel_away_unique}', 'dom::bindings::utils::{ThrowingConstructor, unwrap, unwrap_jsmanaged}', - 'dom::bindings::utils::{VoidVal, with_gc_disabled}', - 'dom::bindings::utils::{with_gc_enabled}', + 'dom::bindings::utils::VoidVal', 'dom::bindings::utils::get_dictionary_property', 'dom::bindings::trace::JSTraceable', 'dom::bindings::callback::{CallbackContainer,CallbackInterface}', @@ -4549,7 +4584,7 @@ class CGNativeMember(ClassMethod): else: typeDecl = "%s" descriptor = self.descriptorProvider.getDescriptor(iface.identifier.name) - return (typeDecl % descriptor.nativeType, + return (typeDecl % descriptor.argumentType, False, False) if type.isSpiderMonkeyInterface(): @@ -5057,11 +5092,8 @@ class CallbackMethod(CallbackMember): replacements["argc"] = "0" return string.Template("${getCallable}" "let ok = unsafe {\n" - " //JS_AllowGC(cx); // It's unsafe to enable GC at arbitrary points during Rust execution; leave it disabled\n" - " let ok = JS_CallFunctionValue(cx, ${thisObj}, callable,\n" - " ${argc}, ${argv}, &rval);\n" - " //JS_InhibitGC(cx);\n" - " ok\n" + " JS_CallFunctionValue(cx, ${thisObj}, callable,\n" + " ${argc}, ${argv}, &rval)\n" "};\n" "if ok == 0 {\n" " return${errorReturn};\n" @@ -5207,9 +5239,9 @@ class GlobalGenRoots(): @staticmethod def RegisterBindings(config): # TODO - Generate the methods we want - return CGImports(CGRegisterProtos(config), [ + return CGImports(CGRegisterProtos(config), [], [ 'dom::bindings::codegen', - 'dom::bindings::js::JS', + 'dom::bindings::js::{JS, JSRef}', 'dom::window::Window', 'script_task::JSPageInfo', ]) @@ -5241,8 +5273,9 @@ class GlobalGenRoots(): descriptors = config.getDescriptors(register=True, hasInterfaceObject=True) allprotos = [CGGeneric("#![allow(unused_imports)]\n"), CGGeneric("use dom::types::*;\n"), - CGGeneric("use dom::bindings::js::JS;\n"), + CGGeneric("use dom::bindings::js::{JS, JSRef, Temporary};\n"), CGGeneric("use dom::bindings::trace::JSTraceable;\n"), + CGGeneric("use dom::bindings::utils::Reflectable;\n"), CGGeneric("use serialize::{Encodable, Encoder};\n"), CGGeneric("use js::jsapi::JSTracer;\n\n")] for descriptor in descriptors: @@ -5269,22 +5302,34 @@ class GlobalGenRoots(): cast = [CGGeneric(string.Template('''pub trait ${castTraitName} { #[inline(always)] - fn from<T: ${fromBound}>(derived: &JS<T>) -> JS<Self> { - unsafe { derived.clone().transmute() } + fn to_ref<'a, 'b, T: ${toBound}+Reflectable>(base: &'a JSRef<'b, T>) -> Option<&'a JSRef<'b, Self>> { + match base.deref().${checkFn}() { + true => unsafe { Some(base.transmute()) }, + false => None + } } #[inline(always)] - fn to<T: ${toBound}>(base: &JS<T>) -> Option<JS<Self>> { - match base.get().${checkFn}() { - true => unsafe { Some(base.clone().transmute()) }, + fn to_mut_ref<'a, 'b, T: ${toBound}+Reflectable>(base: &'a mut JSRef<'b, T>) -> Option<&'a mut JSRef<'b, Self>> { + match base.deref().${checkFn}() { + true => unsafe { Some(base.transmute_mut()) }, false => None } } #[inline(always)] - unsafe fn to_unchecked<T: ${toBound}>(base: &JS<T>) -> JS<Self> { - assert!(base.get().${checkFn}()); - base.clone().transmute() + fn from_ref<'a, 'b, T: ${fromBound}>(derived: &'a JSRef<'b, T>) -> &'a JSRef<'b, Self> { + unsafe { derived.transmute() } + } + + #[inline(always)] + fn from_mut_ref<'a, 'b, T: ${fromBound}>(derived: &'a mut JSRef<'b, T>) -> &'a mut JSRef<'b, Self> { + unsafe { derived.transmute_mut() } + } + + #[inline(always)] + fn from_unrooted<T: ${fromBound}+Reflectable>(derived: Temporary<T>) -> Temporary<Self> { + unsafe { derived.transmute() } } } ''').substitute({'checkFn': 'is_' + name.lower(), @@ -5313,7 +5358,7 @@ class GlobalGenRoots(): curr = UnionTypes(config.getDescriptors()) - curr = CGImports(curr, [ + curr = CGImports(curr, [], [ 'dom::bindings::utils::unwrap_jsmanaged', 'dom::bindings::codegen::PrototypeList', 'dom::bindings::conversions::{FromJSValConvertible, ToJSValConvertible}', |