Callbacks

	ClassDeletePropertyFunction (jsc_class, context, instance, name)
	ClassEnumeratePropertiesFunction (jsc_class, context, instance)
	ClassGetPropertyFunction (jsc_class, context, instance, name)
	ClassHasPropertyFunction (jsc_class, context, instance, name)
	ClassSetPropertyFunction (jsc_class, context, instance, name, value)
	ExceptionHandler (context, exception, *user_data)
	Executor (resolve, reject, *user_data)
	OptionsFunc (option, type, description, *user_data)

Details

JavaScriptCore.ClassDeletePropertyFunction(jsc_class, context, instance, name)

Parameters:

• jsc_class (JavaScriptCore.Class) – a JavaScriptCore.Class

• context (JavaScriptCore.Context) – a JavaScriptCore.Context

• instance (object or None) – the jsc_class instance

• name (str) – the property name

Returns:

True if handled or False to to forward the request to the parent class or prototype chain.

Return type:

bool

The type of delete_property in JavaScriptCore.ClassVTable. This is only required when you need to handle external properties not added to the prototype.

JavaScriptCore.ClassEnumeratePropertiesFunction(jsc_class, context, instance)

Parameters:

• jsc_class (JavaScriptCore.Class) – a JavaScriptCore.Class

• context (JavaScriptCore.Context) – a JavaScriptCore.Context

• instance (object or None) – the jsc_class instance

Returns:

a None-terminated array of strings containing the property names, or None if instance doesn’t have enumerable properties.

Return type:

[str] or None

The type of enumerate_properties in JavaScriptCore.ClassVTable. This is only required when you need to handle external properties not added to the prototype.

JavaScriptCore.ClassGetPropertyFunction(jsc_class, context, instance, name)

Parameters:

• jsc_class (JavaScriptCore.Class) – a JavaScriptCore.Class

• context (JavaScriptCore.Context) – a JavaScriptCore.Context

• instance (object or None) – the jsc_class instance

• name (str) – the property name

Returns:

a JavaScriptCore.Value or None to forward the request to the parent class or prototype chain

Return type:

JavaScriptCore.Value or None

The type of get_property in JavaScriptCore.ClassVTable. This is only required when you need to handle external properties not added to the prototype.

JavaScriptCore.ClassHasPropertyFunction(jsc_class, context, instance, name)

Parameters:

• jsc_class (JavaScriptCore.Class) – a JavaScriptCore.Class

• context (JavaScriptCore.Context) – a JavaScriptCore.Context

• instance (object or None) – the jsc_class instance

• name (str) – the property name

Returns:

True if instance has a property with name or False to forward the request to the parent class or prototype chain.

Return type:

bool

The type of has_property in JavaScriptCore.ClassVTable. This is only required when you need to handle external properties not added to the prototype.

JavaScriptCore.ClassSetPropertyFunction(jsc_class, context, instance, name, value)

Parameters:

• jsc_class (JavaScriptCore.Class) – a JavaScriptCore.Class

• context (JavaScriptCore.Context) – a JavaScriptCore.Context

• instance (object or None) – the jsc_class instance

• name (str) – the property name

• value (JavaScriptCore.Value) – the JavaScriptCore.Value to set

Returns:

True if handled or False to forward the request to the parent class or prototype chain.

Return type:

bool

The type of set_property in JavaScriptCore.ClassVTable. This is only required when you need to handle external properties not added to the prototype.

JavaScriptCore.ExceptionHandler(context, exception, *user_data)

Parameters:

• context (JavaScriptCore.Context) – a JavaScriptCore.Context

• exception (JavaScriptCore.Exception) – a JavaScriptCore.Exception

• user_data (object or None) – user data

Function used to handle JavaScript exceptions in a JavaScriptCore.Context.

JavaScriptCore.Executor(resolve, reject, *user_data)

Parameters:

• resolve (JavaScriptCore.Value) – JavaScriptCore.Value function to call to resolve the promise

• reject (JavaScriptCore.Value) – JavaScriptCore.Value function to call to reject the promise

• user_data (object or None) – user data

A function passed to jsc_value_new_promise called during initialization

It is called like a JavaScript function, so exceptions raised will not be propagated to the context, but handled by the promise causing a rejection. resolve and reject can be reffed for later use to handle async task completion.

New in version 2.48.

JavaScriptCore.OptionsFunc(option, type, description, *user_data)

Parameters:

• option (str) – the option name

• type (JavaScriptCore.OptionType) – the option JavaScriptCore.OptionType

• description (str or None) – the option description, or None

• user_data (object or None) – user data

Returns:

True to stop the iteration, or False otherwise

Return type:

bool

Function used to iterate options.

Not that description string is not localized.

New in version 2.24.