Package org.mozilla.javascript

Class NativeScript

java.lang.Object

org.mozilla.javascript.ScriptableObject

org.mozilla.javascript.IdScriptableObject

org.mozilla.javascript.BaseFunction

org.mozilla.javascript.NativeScript

All Implemented Interfaces:

Serializable, Callable, ConstProperties, Constructable, DebuggableObject, Function, IdFunctionCall, Scriptable, SymbolScriptable

class NativeScript
extends BaseFunction

The JavaScript Script object.

Note that the C version of the engine uses XDR as the format used by freeze and thaw. Since this depends on the internal format of structures in the C runtime, we cannot duplicate it.

Since we cannot replace 'this' as a result of the compile method, will forward requests to execute to the nonnull 'script' field.

Since:

1.3

Nested Class Summary

Nested classes/interfaces inherited from class org.mozilla.javascript.ScriptableObject

ScriptableObject.KeyComparator

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	Id_compile
private static final int	Id_constructor
private static final int	Id_exec
private static final int	Id_toString
private static final int	MAX_PROTOTYPE_ID
private Script	script
private static final Object	SCRIPT_TAG
private static final long	serialVersionUID

Fields inherited from class org.mozilla.javascript.BaseFunction

GENERATOR_FUNCTION_CLASS

Fields inherited from class org.mozilla.javascript.ScriptableObject

CONST, DONTENUM, EMPTY, PERMANENT, READONLY, UNINITIALIZED_CONST

Fields inherited from interface org.mozilla.javascript.Scriptable

NOT_FOUND

Constructor Summary

Constructors

Modifier	Constructor	Description
private	NativeScript(Script script)

Method Summary

Modifier and Type	Method	Description
Object	call(Context cx, Scriptable scope, Scriptable thisObj, Object[] args)	Should be overridden.
private static Script	compile(Context cx, String source)
Scriptable	construct(Context cx, Scriptable scope, Object[] args)	Call the function as a constructor.
(package private) String	decompile(int indent, int flags)	Decompile the source information associated with this js function/script back into a string.
Object	execIdCall(IdFunctionObject f, Context cx, Scriptable scope, Scriptable thisObj, Object[] args)	'thisObj' will be null if invoked as constructor, in which case * instance of Scriptable should be returned.
protected int	findPrototypeId(String s)
int	getArity()
String	getClassName()	Returns the name of this JavaScript class, "Script".
int	getLength()
(package private) static void	init(Scriptable scope, boolean sealed)
protected void	initPrototypeId(int id)
private static NativeScript	realThis(Scriptable thisObj, IdFunctionObject f)

Methods inherited from class org.mozilla.javascript.BaseFunction

createObject, fillConstructorProperties, findInstanceIdInfo, getClassPrototype, getFunctionName, getInstanceIdName, getInstanceIdValue, getMaxInstanceId, getPrototypeProperty, getTypeOf, hasInstance, hasPrototypeProperty, initAsGeneratorFunction, isApply, isApplyOrCall, isGeneratorFunction, setImmunePrototypeProperty, setInstanceIdAttributes, setInstanceIdValue, setPrototypeProperty, setPrototypePropertyAttributes, setStandardPropertyAttributes, setupDefaultPrototype

Methods inherited from class org.mozilla.javascript.IdScriptableObject

activatePrototypeMap, addIdFunctionProperty, defaultGet, defaultHas, defaultPut, defineOwnProperty, delete, delete, ensureType, exportAsJSClass, findInstanceIdInfo, findPrototypeId, get, get, getAttributes, getAttributes, getIds, getOwnPropertyDescriptor, has, has, hasPrototypeMap, initPrototypeConstructor, initPrototypeMethod, initPrototypeMethod, initPrototypeMethod, initPrototypeValue, initPrototypeValue, instanceIdInfo, put, put, setAttributes

Methods inherited from class org.mozilla.javascript.ScriptableObject

addLazilyInitializedValue, applyDescriptorToAttributeBitset, associateValue, avoidObjectDetection, buildClassCtor, buildDataDescriptor, callMethod, callMethod, checkPropertyChange, checkPropertyDefinition, checkValidAttributes, defineClass, defineClass, defineClass, defineConst, defineConstProperty, defineFunctionProperties, defineOwnProperties, defineOwnProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, defineProperty, delete, deleteProperty, deleteProperty, ensureScriptable, ensureScriptableObject, ensureSymbolScriptable, equivalentValues, get, get, getAllIds, getArrayPrototype, getAssociatedValue, getAttributes, getAttributes, getAttributes, getClassPrototype, getDefaultValue, getDefaultValue, getExternalArrayData, getExternalArrayLength, getFunctionPrototype, getGeneratorFunctionPrototype, getGetterOrSetter, getGetterOrSetter, getIds, getObjectPrototype, getParentScope, getProperty, getProperty, getProperty, getPropertyIds, getPrototype, getTopLevelScope, getTopScopeValue, getTypedProperty, getTypedProperty, has, hasProperty, hasProperty, hasProperty, isAccessorDescriptor, isConst, isDataDescriptor, isEmpty, isExtensible, isFalse, isGenericDescriptor, isGetterOrSetter, isSealed, isTrue, preventExtensions, put, putConst, putConstProperty, putProperty, putProperty, putProperty, querySlot, redefineProperty, sameValue, sealObject, setAttributes, setAttributes, setAttributes, setAttributes, setCommonDescriptorProperties, setExternalArrayData, setGetterOrSetter, setParentScope, setPrototype, size

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.mozilla.javascript.Scriptable

delete, delete, get, get, getDefaultValue, getIds, getParentScope, getPrototype, has, has, put, put, setParentScope, setPrototype

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

SCRIPT_TAG

private static final Object SCRIPT_TAG

Id_constructor

private static final int Id_constructor

See Also:

• Constant Field Values

Id_toString

private static final int Id_toString

See Also:

• Constant Field Values

Id_compile

private static final int Id_compile

See Also:

• Constant Field Values

Id_exec

private static final int Id_exec

See Also:

• Constant Field Values

MAX_PROTOTYPE_ID

private static final int MAX_PROTOTYPE_ID

See Also:

• Constant Field Values

script

private Script script

Constructor Details

NativeScript

private NativeScript(Script script)

Method Details

init

static void init(Scriptable scope,
 boolean sealed)

getClassName

public String getClassName()

Returns the name of this JavaScript class, "Script".

Specified by:

getClassName in interface Scriptable

Overrides:

getClassName in class BaseFunction

call

public Object call(Context cx,
 Scriptable scope,
 Scriptable thisObj,
 Object[] args)

Description copied from class: BaseFunction

Should be overridden.

Specified by:

call in interface Callable

Specified by:

call in interface Function

Overrides:

call in class BaseFunction

Parameters:

cx - the current Context for this thread

scope - the scope to execute the function relative to. This is set to the value returned by getParentScope() except when the function is called from a closure.

thisObj - the JavaScript this object

args - the array of arguments

Returns:

the result of the call

construct

public Scriptable construct(Context cx,
 Scriptable scope,
 Object[] args)

Description copied from interface: Function

Call the function as a constructor.

This method is invoked by the runtime in order to satisfy a use of the JavaScript new operator. This method is expected to create a new object and return it.

Specified by:

construct in interface Constructable

Specified by:

construct in interface Function

Overrides:

construct in class BaseFunction

Parameters:

cx - the current Context for this thread

scope - an enclosing scope of the caller except when the function is called from a closure.

args - the array of arguments

Returns:

the allocated object

getLength

public int getLength()

Overrides:

getLength in class BaseFunction

getArity

public int getArity()

Overrides:

getArity in class BaseFunction

decompile

String decompile(int indent,
 int flags)

Description copied from class: BaseFunction

Decompile the source information associated with this js function/script back into a string.

Overrides:

decompile in class BaseFunction

Parameters:

indent - How much to indent the decompiled result.

flags - Flags specifying format of decompilation output.

initPrototypeId

protected void initPrototypeId(int id)

Overrides:

initPrototypeId in class BaseFunction

execIdCall

public Object execIdCall(IdFunctionObject f,
 Context cx,
 Scriptable scope,
 Scriptable thisObj,
 Object[] args)

Description copied from class: IdScriptableObject

'thisObj' will be null if invoked as constructor, in which case * instance of Scriptable should be returned.

Specified by:

execIdCall in interface IdFunctionCall

Overrides:

execIdCall in class BaseFunction

realThis

private static NativeScript realThis(Scriptable thisObj,
 IdFunctionObject f)

compile

private static Script compile(Context cx,
 String source)

findPrototypeId

protected int findPrototypeId(String s)

Overrides:

findPrototypeId in class BaseFunction