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| ** This file is part of the QtQml module of the Qt Toolkit. |
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| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ****************************************************************************/ |
| #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" |
| #include "qv4string_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(QV4::ExecutionContext *scope); |
| void init(QV4::ExecutionContext *scope, const QString &name); |
| }; |
| |
| struct EvalErrorCtor : ErrorCtor { |
| void init(QV4::ExecutionContext *scope); |
| }; |
| |
| struct RangeErrorCtor : ErrorCtor { |
| void init(QV4::ExecutionContext *scope); |
| }; |
| |
| struct ReferenceErrorCtor : ErrorCtor { |
| void init(QV4::ExecutionContext *scope); |
| }; |
| |
| struct SyntaxErrorCtor : ErrorCtor { |
| void init(QV4::ExecutionContext *scope); |
| }; |
| |
| struct TypeErrorCtor : ErrorCtor { |
| void init(QV4::ExecutionContext *scope); |
| }; |
| |
| struct URIErrorCtor : ErrorCtor { |
| void init(QV4::ExecutionContext *scope); |
| }; |
| |
| } |
| |
| 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 |