| /* |
| * Copyright (C) 2021 Igalia S.L. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "ShadowRealmPrototype.h" |
| |
| #include "AuxiliaryBarrierInlines.h" |
| #include "IndirectEvalExecutable.h" |
| #include "Interpreter.h" |
| #include "JSGlobalObject.h" |
| #include "JSInternalPromise.h" |
| #include "JSModuleLoader.h" |
| #include "JSObjectInlines.h" |
| #include "ShadowRealmObject.h" |
| #include "StructureInlines.h" |
| |
| #include "ShadowRealmPrototype.lut.h" |
| |
| namespace JSC { |
| |
| /* Source for ShadowRealmPrototype.lut.h |
| @begin shadowRealmPrototypeTable |
| evaluate JSBuiltin DontEnum|Function 1 |
| importValue JSBuiltin DontEnum|Function 2 |
| @end |
| */ |
| |
| const ClassInfo ShadowRealmPrototype::s_info = { "ShadowRealm"_s, &Base::s_info, &shadowRealmPrototypeTable, nullptr, CREATE_METHOD_TABLE(ShadowRealmPrototype) }; |
| |
| ShadowRealmPrototype::ShadowRealmPrototype(VM& vm, Structure* structure) |
| : JSNonFinalObject(vm, structure) |
| { |
| } |
| |
| void ShadowRealmPrototype::finishCreation(VM& vm) |
| { |
| Base::finishCreation(vm); |
| ASSERT(inherits(info())); |
| JSC_TO_STRING_TAG_WITHOUT_TRANSITION(); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(importInRealm, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| JSValue thisValue = callFrame->uncheckedArgument(0); |
| ShadowRealmObject* thisRealm = jsDynamicCast<ShadowRealmObject*>(thisValue); |
| ASSERT(thisRealm); |
| |
| auto* promise = JSPromise::create(vm, globalObject->promiseStructure()); |
| |
| auto sourceOrigin = callFrame->callerSourceOrigin(vm); |
| auto* specifier = callFrame->uncheckedArgument(1).toString(globalObject); |
| RETURN_IF_EXCEPTION(scope, { }); |
| |
| JSGlobalObject* realmGlobalObject = thisRealm->globalObject(); |
| auto* internalPromise = realmGlobalObject->moduleLoader()->importModule(realmGlobalObject, specifier, jsUndefined(), sourceOrigin); |
| RETURN_IF_EXCEPTION(scope, JSValue::encode(promise->rejectWithCaughtException(realmGlobalObject, scope))); |
| |
| scope.release(); |
| promise->resolve(globalObject, internalPromise); |
| return JSValue::encode(promise); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(evalInRealm, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| JSValue thisValue = callFrame->argument(0); |
| ShadowRealmObject* thisRealm = jsDynamicCast<ShadowRealmObject*>(thisValue); |
| ASSERT(thisRealm); |
| JSGlobalObject* realmGlobalObject = thisRealm->globalObject(); |
| |
| JSValue evalArg = callFrame->argument(1); |
| // eval code adapted from JSGlobalObjecFunctions::globalFuncEval |
| String script = asString(evalArg)->value(globalObject); |
| RETURN_IF_EXCEPTION(scope, { }); |
| |
| NakedPtr<JSObject> executableError; |
| SourceCode source = makeSource(script, callFrame->callerSourceOrigin(vm)); |
| EvalExecutable* eval = IndirectEvalExecutable::create(realmGlobalObject, source, DerivedContextType::None, false, EvalContextType::None, executableError); |
| if (executableError) { |
| ErrorInstance* error = jsDynamicCast<ErrorInstance*>(JSValue(executableError.get())); |
| if (error != nullptr && error->errorType() == ErrorType::SyntaxError) { |
| scope.clearException(); |
| const String syntaxErrorMessage = error->sanitizedMessageString(globalObject); |
| RETURN_IF_EXCEPTION(scope, { }); |
| throwVMError(globalObject, scope, createSyntaxError(globalObject, syntaxErrorMessage)); |
| } else |
| throwVMError(globalObject, scope, createTypeError(globalObject, "Error encountered during evaluation"_s)); |
| return JSValue::encode(jsUndefined()); |
| } |
| RETURN_IF_EXCEPTION(scope, { }); |
| |
| JSValue result = vm.interpreter->execute(eval, realmGlobalObject, realmGlobalObject->globalThis(), realmGlobalObject->globalScope()); |
| if (UNLIKELY(scope.exception())) { |
| scope.clearException(); |
| return throwVMError(globalObject, scope, createTypeError(globalObject, "Error encountered during evaluation"_s)); |
| } |
| |
| RELEASE_AND_RETURN(scope, JSValue::encode(result)); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(moveFunctionToRealm, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| JSValue wrappedFnArg = callFrame->argument(0); |
| JSFunction* wrappedFn = jsDynamicCast<JSFunction*>(wrappedFnArg); |
| JSValue targetRealmArg = callFrame->argument(1); |
| ShadowRealmObject* targetRealm = jsDynamicCast<ShadowRealmObject*>(targetRealmArg); |
| ASSERT(targetRealm); |
| RETURN_IF_EXCEPTION(scope, { }); |
| |
| bool isBuiltin = false; |
| JSGlobalObject* targetGlobalObj = targetRealm->globalObject(); |
| wrappedFn->setPrototype(vm, targetGlobalObj, targetGlobalObj->strictFunctionStructure(isBuiltin)->storedPrototype()); |
| RELEASE_AND_RETURN(scope, JSValue::encode(jsUndefined())); |
| } |
| |
| } // namespace JSC |