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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant
++ #ifndef QV4ERROROBJECT_H
++ #define QV4ERROROBJECT_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include "qv4object_p.h"
++ #include "qv4functionobject_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QV4 {
++
++ struct SyntaxErrorObject;
++
++ namespace Heap {
++
++
++ #define ErrorObjectMembers(class, Member) \
++ Member(class, Pointer, String *, stack)
++
++ DECLARE_HEAP_OBJECT(ErrorObject, Object) {
++ DECLARE_MARKOBJECTS(ErrorObject)
++ enum ErrorType {
++ Error,
++ EvalError,
++ RangeError,
++ ReferenceError,
++ SyntaxError,
++ TypeError,
++ URIError
++ };
++ StackTrace *stackTrace;
++ ErrorType errorType;
++
++ void init();
++ void init(const Value &message, ErrorType t = Error);
++ void init(const Value &message, const QString &fileName, int line, int column, ErrorType t = Error);
++ void destroy() {
++ delete stackTrace;
++ Object::destroy();
++ }
++ };
++
++ struct EvalErrorObject : ErrorObject {
++ void init(const Value &message);
++ };
++
++ struct RangeErrorObject : ErrorObject {
++ void init(const Value &message);
++ };
++
++ struct ReferenceErrorObject : ErrorObject {
++ void init(const Value &message);
++ void init(const Value &msg, const QString &fileName, int lineNumber, int columnNumber);
++ };
++
++ struct SyntaxErrorObject : ErrorObject {
++ void init(const Value &message);
++ void init(const Value &msg, const QString &fileName, int lineNumber, int columnNumber);
++ };
++
++ struct TypeErrorObject : ErrorObject {
++ void init(const Value &message);
++ };
++
++ struct URIErrorObject : ErrorObject {
++ void init(const Value &message);
++ };
++
++ struct ErrorCtor : FunctionObject {
++ void init(ExecutionEngine *engine);
++ void init(ExecutionEngine *engine, const QString &name);
++ };
++
++ struct EvalErrorCtor : ErrorCtor {
++ void init(ExecutionEngine *engine);
++ };
++
++ struct RangeErrorCtor : ErrorCtor {
++ void init(ExecutionEngine *engine);
++ };
++
++ struct ReferenceErrorCtor : ErrorCtor {
++ void init(ExecutionEngine *engine);
++ };
++
++ struct SyntaxErrorCtor : ErrorCtor {
++ void init(ExecutionEngine *engine);
++ };
++
++ struct TypeErrorCtor : ErrorCtor {
++ void init(ExecutionEngine *engine);
++ };
++
++ struct URIErrorCtor : ErrorCtor {
++ void init(ExecutionEngine *engine);
++ };
++
++ }
++
++ struct ErrorObject: Object {
++ enum {
++ IsErrorObject = true
++ };
++
++ enum {
++ Index_Stack = 0, // Accessor Property
++ Index_StackSetter = 1, // Accessor Property
++ Index_FileName = 2,
++ Index_LineNumber = 3,
++ Index_Message = 4
++ };
++
++ V4_OBJECT2(ErrorObject, Object)
++ Q_MANAGED_TYPE(ErrorObject)
++ V4_INTERNALCLASS(ErrorObject)
++ V4_PROTOTYPE(errorPrototype)
++ V4_NEEDS_DESTROY
++
++ template <typename T>
++ static Heap::Object *create(ExecutionEngine *e, const Value &message, const Value *newTarget);
++ template <typename T>
++ static Heap::Object *create(ExecutionEngine *e, const QString &message);
++ template <typename T>
++ static Heap::Object *create(ExecutionEngine *e, const QString &message, const QString &filename, int line, int column);
++
++ SyntaxErrorObject *asSyntaxError();
++
++ static const char *className(Heap::ErrorObject::ErrorType t);
++
++ static ReturnedValue method_get_stack(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
++ };
++
++ template<>
++ inline const ErrorObject *Value::as() const {
++ return isManaged() && m()->internalClass->vtable->isErrorObject ? reinterpret_cast<const ErrorObject *>(this) : nullptr;
++ }
++
++ struct EvalErrorObject: ErrorObject {
++ typedef Heap::EvalErrorObject Data;
++ V4_PROTOTYPE(evalErrorPrototype)
++ const Data *d() const { return static_cast<const Data *>(ErrorObject::d()); }
++ Data *d() { return static_cast<Data *>(ErrorObject::d()); }
++ };
++
++ struct RangeErrorObject: ErrorObject {
++ typedef Heap::RangeErrorObject Data;
++ V4_PROTOTYPE(rangeErrorPrototype)
++ const Data *d() const { return static_cast<const Data *>(ErrorObject::d()); }
++ Data *d() { return static_cast<Data *>(ErrorObject::d()); }
++ };
++
++ struct ReferenceErrorObject: ErrorObject {
++ typedef Heap::ReferenceErrorObject Data;
++ V4_PROTOTYPE(referenceErrorPrototype)
++ const Data *d() const { return static_cast<const Data *>(ErrorObject::d()); }
++ Data *d() { return static_cast<Data *>(ErrorObject::d()); }
++ };
++
++ struct SyntaxErrorObject: ErrorObject {
++ typedef Heap::SyntaxErrorObject Data;
++ V4_PROTOTYPE(syntaxErrorPrototype)
++ const Data *d() const { return static_cast<const Data *>(ErrorObject::d()); }
++ Data *d() { return static_cast<Data *>(ErrorObject::d()); }
++ };
++
++ struct TypeErrorObject: ErrorObject {
++ typedef Heap::TypeErrorObject Data;
++ V4_PROTOTYPE(typeErrorPrototype)
++ const Data *d() const { return static_cast<const Data *>(ErrorObject::d()); }
++ Data *d() { return static_cast<Data *>(ErrorObject::d()); }
++ };
++
++ struct URIErrorObject: ErrorObject {
++ typedef Heap::URIErrorObject Data;
++ V4_PROTOTYPE(uRIErrorPrototype)
++ const Data *d() const { return static_cast<const Data *>(ErrorObject::d()); }
++ Data *d() { return static_cast<Data *>(ErrorObject::d()); }
++ };
++
++ struct ErrorCtor: FunctionObject
++ {
++ V4_OBJECT2(ErrorCtor, FunctionObject)
++
++ static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *);
++ static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc);
++ };
++
++ struct EvalErrorCtor: ErrorCtor
++ {
++ V4_OBJECT2(EvalErrorCtor, FunctionObject)
++ V4_PROTOTYPE(errorCtor)
++
++ static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *);
++ };
++
++ struct RangeErrorCtor: ErrorCtor
++ {
++ V4_OBJECT2(RangeErrorCtor, FunctionObject)
++ V4_PROTOTYPE(errorCtor)
++
++ static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *);
++ };
++
++ struct ReferenceErrorCtor: ErrorCtor
++ {
++ V4_OBJECT2(ReferenceErrorCtor, FunctionObject)
++ V4_PROTOTYPE(errorCtor)
++
++ static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *);
++ };
++
++ struct SyntaxErrorCtor: ErrorCtor
++ {
++ V4_OBJECT2(SyntaxErrorCtor, FunctionObject)
++ V4_PROTOTYPE(errorCtor)
++
++ static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *);
++ };
++
++ struct TypeErrorCtor: ErrorCtor
++ {
++ V4_OBJECT2(TypeErrorCtor, FunctionObject)
++ V4_PROTOTYPE(errorCtor)
++
++ static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *);
++ };
++
++ struct URIErrorCtor: ErrorCtor
++ {
++ V4_OBJECT2(URIErrorCtor, FunctionObject)
++ V4_PROTOTYPE(errorCtor)
++
++ static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *);
++ };
++
++
++ struct ErrorPrototype : Object
++ {
++ enum {
++ Index_Constructor = 0,
++ Index_Message = 1,
++ Index_Name = 2
++ };
++ void init(ExecutionEngine *engine, Object *ctor) { init(engine, ctor, this, Heap::ErrorObject::Error); }
++
++ static void init(ExecutionEngine *engine, Object *ctor, Object *obj, Heap::ErrorObject::ErrorType t);
++ static ReturnedValue method_toString(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
++ };
++
++ struct EvalErrorPrototype : Object
++ {
++ void init(ExecutionEngine *engine, Object *ctor) { ErrorPrototype::init(engine, ctor, this, Heap::ErrorObject::EvalError); }
++ };
++
++ struct RangeErrorPrototype : Object
++ {
++ void init(ExecutionEngine *engine, Object *ctor) { ErrorPrototype::init(engine, ctor, this, Heap::ErrorObject::RangeError); }
++ };
++
++ struct ReferenceErrorPrototype : Object
++ {
++ void init(ExecutionEngine *engine, Object *ctor) { ErrorPrototype::init(engine, ctor, this, Heap::ErrorObject::ReferenceError); }
++ };
++
++ struct SyntaxErrorPrototype : Object
++ {
++ void init(ExecutionEngine *engine, Object *ctor) { ErrorPrototype::init(engine, ctor, this, Heap::ErrorObject::SyntaxError); }
++ };
++
++ struct TypeErrorPrototype : Object
++ {
++ void init(ExecutionEngine *engine, Object *ctor) { ErrorPrototype::init(engine, ctor, this, Heap::ErrorObject::TypeError); }
++ };
++
++ struct URIErrorPrototype : Object
++ {
++ void init(ExecutionEngine *engine, Object *ctor) { ErrorPrototype::init(engine, ctor, this, Heap::ErrorObject::URIError); }
++ };
++
++
++ inline SyntaxErrorObject *ErrorObject::asSyntaxError()
++ {
++ return d()->errorType == QV4::Heap::ErrorObject::SyntaxError ? static_cast<SyntaxErrorObject *>(this) : nullptr;
++ }
++
++
++ template <typename T>
++ Heap::Object *ErrorObject::create(ExecutionEngine *e, const Value &message, const Value *newTarget) {
++ EngineBase::InternalClassType klass = message.isUndefined() ? EngineBase::Class_ErrorObject : EngineBase::Class_ErrorObjectWithMessage;
++ Scope scope(e);
++ ScopedObject proto(scope, static_cast<const Object *>(newTarget)->get(scope.engine->id_prototype()));
++ Scoped<InternalClass> ic(scope, e->internalClasses(klass)->changePrototype(proto->d()));
++ return e->memoryManager->allocObject<T>(ic->d(), message);
++ }
++ template <typename T>
++ Heap::Object *ErrorObject::create(ExecutionEngine *e, const QString &message) {
++ Scope scope(e);
++ ScopedValue v(scope, message.isEmpty() ? Encode::undefined() : e->newString(message)->asReturnedValue());
++ EngineBase::InternalClassType klass = v->isUndefined() ? EngineBase::Class_ErrorObject : EngineBase::Class_ErrorObjectWithMessage;
++ Scoped<InternalClass> ic(scope, e->internalClasses(klass)->changePrototype(T::defaultPrototype(e)->d()));
++ return e->memoryManager->allocObject<T>(ic->d(), v);
++ }
++ template <typename T>
++ Heap::Object *ErrorObject::create(ExecutionEngine *e, const QString &message, const QString &filename, int line, int column) {
++ Scope scope(e);
++ ScopedValue v(scope, message.isEmpty() ? Encode::undefined() : e->newString(message)->asReturnedValue());
++ EngineBase::InternalClassType klass = v->isUndefined() ? EngineBase::Class_ErrorObject : EngineBase::Class_ErrorObjectWithMessage;
++ Scoped<InternalClass> ic(scope, e->internalClasses(klass)->changePrototype(T::defaultPrototype(e)->d()));
++ return e->memoryManager->allocObject<T>(ic->d(), v, filename, line, column);
++ }
++
++
++ }
++
++ QT_END_NAMESPACE
++
++ #endif // QV4ECMAOBJECTS_P_H