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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