com.oracle.truffle.js.runtime.builtins

Class JSFunction

java.lang.Object

com.oracle.truffle.api.object.ObjectType

com.oracle.truffle.js.runtime.builtins.JSClass

com.oracle.truffle.js.runtime.builtins.JSNonProxy

com.oracle.truffle.js.runtime.builtins.JSFunction

public final class JSFunction
extends JSNonProxy

Property Summary

Properties inherited from class com.oracle.truffle.js.runtime.builtins.JSNonProxy

usesOrdinaryGetOwnProperty

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JSFunction.ArgumentsProxyProperty
static class	JSFunction.AsyncGeneratorState
static class	JSFunction.CallerProxyProperty
static class	JSFunction.ClassPrototypeProxyProperty
static class	JSFunction.FunctionLengthPropertyProxy
static class	JSFunction.FunctionNamePropertyProxy
static class	JSFunction.GeneratorState

Field Summary

Fields

Modifier and Type	Field and Description
static String	ARGUMENTS
static com.oracle.truffle.api.object.HiddenKey	ASYNC_FROM_SYNC_ITERATOR_KEY
static String	ASYNC_FROM_SYNC_ITERATOR_PROTOTYPE_NAME
static String	ASYNC_FUNCTION_NAME
static com.oracle.truffle.api.object.HiddenKey	ASYNC_GENERATOR_CONTEXT_ID
static String	ASYNC_GENERATOR_FUNCTION_NAME
static String	ASYNC_GENERATOR_NAME
static String	ASYNC_GENERATOR_PROTOTYPE_NAME
static com.oracle.truffle.api.object.HiddenKey	ASYNC_GENERATOR_QUEUE_ID
static com.oracle.truffle.api.object.HiddenKey	ASYNC_GENERATOR_STATE_ID
static com.oracle.truffle.api.object.HiddenKey	ASYNC_GENERATOR_TARGET_ID
static String	BUILTIN_SOURCE_NAME
static com.oracle.truffle.api.source.SourceSection	BUILTIN_SOURCE_SECTION
static String	CALLER
static com.oracle.truffle.api.object.HiddenKey	CLASS_FIELDS_ID
static String	CLASS_NAME
static String	CLASS_NAME_NASHORN_COMPAT
static Object	CLASS_PROTOTYPE_PLACEHOLDER Placeholder for lazy initialization of the prototype property.
static JSDynamicObject	CONSTRUCT Construct token.
static String	ENUMERATE_ITERATOR_PROTOTYPE_NAME
static String	FOR_IN_ITERATOR_PROTOYPE_NAME
static com.oracle.truffle.api.object.HiddenKey	GENERATOR_CONTEXT_ID
static String	GENERATOR_FUNCTION_NAME
static String	GENERATOR_NAME
static String	GENERATOR_PROTOTYPE_NAME
static com.oracle.truffle.api.object.HiddenKey	GENERATOR_STATE_ID
static com.oracle.truffle.api.object.HiddenKey	GENERATOR_TARGET_ID
static com.oracle.truffle.api.object.HiddenKey	HOME_OBJECT_ID
static JSFunction	INSTANCE
static String	LENGTH
static PropertyProxy	LENGTH_PROXY
static String	NAME
static PropertyProxy	NAME_PROXY
static com.oracle.truffle.api.object.HiddenKey	PRIVATE_BRAND_ID
static String	PROGRAM_FUNCTION_NAME
static String	PROTOTYPE_NAME
static PropertyProxy	PROTOTYPE_PROXY
static String	TYPE_NAME

Fields inherited from class com.oracle.truffle.js.runtime.builtins.JSClass

EMPTY_STRING_ARRAY

Method Summary

Modifier and Type	Method and Description
static void	addRestrictedFunctionProperties(JSRealm realm, com.oracle.truffle.api.object.DynamicObject obj)
static com.oracle.truffle.api.object.DynamicObject	bind(JSRealm realm, com.oracle.truffle.api.object.DynamicObject thisFnObj, Object thisArg, Object[] boundArguments)
static com.oracle.truffle.api.object.DynamicObject	boundFunctionCreate(JSContext context, com.oracle.truffle.api.object.DynamicObject boundTargetFunction, Object boundThis, Object[] boundArguments, com.oracle.truffle.api.object.DynamicObject proto, com.oracle.truffle.api.profiles.ConditionProfile isAsyncProfile, com.oracle.truffle.api.profiles.ConditionProfile setProtoProfile)
static Object	call(com.oracle.truffle.api.object.DynamicObject functionObject, Object thisObject, Object[] argumentValues)
static Object	call(Object[] jsArguments)
static Object	construct(com.oracle.truffle.api.object.DynamicObject functionObject, Object[] argumentValues)
static com.oracle.truffle.api.object.DynamicObject	create(JSRealm realm, JSFunctionData functionData)
static com.oracle.truffle.api.object.DynamicObject	create(JSRealm realm, JSFunctionData functionData, com.oracle.truffle.api.frame.MaterializedFrame enclosingFrame)
static com.oracle.truffle.api.object.DynamicObject	createAsyncFromSyncIteratorPrototype(JSRealm realm) Creates the %AsyncFromSyncIteratorPrototype% object (ES2018 11.1.3.2).
static JSConstructor	createAsyncFunctionConstructor(JSRealm realm)
static com.oracle.truffle.api.object.DynamicObject	createAsyncFunctionPrototype(JSRealm realm, com.oracle.truffle.api.object.DynamicObject constructor)
static JSConstructor	createAsyncGeneratorFunctionConstructor(JSRealm realm)
static com.oracle.truffle.api.object.DynamicObject	createAsyncGeneratorFunctionPrototype(JSRealm realm, com.oracle.truffle.api.object.DynamicObject constructor)
static com.oracle.truffle.api.object.DynamicObject	createAsyncIteratorPrototype(JSRealm realm) Creates the %AsyncIteratorPrototype% object (ES2018 11.1.2).
static com.oracle.truffle.api.object.DynamicObject	createBound(JSContext context, JSRealm realm, JSFunctionData functionData, com.oracle.truffle.api.object.DynamicObject boundTargetFunction, Object boundThis, Object[] boundArguments)
static com.oracle.truffle.api.nodes.RootNode	createBoundRootNode(JSContext context, boolean construct, boolean newTarget)
static com.oracle.truffle.api.source.SourceSection	createBuiltinSourceSection(String name)
static com.oracle.truffle.api.object.DynamicObject	createEmptyFunction(JSRealm realm)
static JSFunctionData	createEmptyFunctionData(JSContext context)
static com.oracle.truffle.api.object.DynamicObject	createEnumerateIteratorPrototype(JSRealm realm)
static com.oracle.truffle.api.object.DynamicObject	createForInIteratorPrototype(JSRealm realm)
static com.oracle.truffle.api.object.DynamicObject	createFunctionConstructor(JSRealm realm)
static com.oracle.truffle.api.object.DynamicObject	createFunctionPrototype(JSRealm realm, com.oracle.truffle.api.object.DynamicObject objectPrototype)
static JSConstructor	createGeneratorFunctionConstructor(JSRealm realm)
static com.oracle.truffle.api.object.DynamicObject	createGeneratorFunctionPrototype(JSRealm realm, com.oracle.truffle.api.object.DynamicObject constructor)
static com.oracle.truffle.api.object.DynamicObject	createLexicalThis(JSRealm realm, JSFunctionData functionData, com.oracle.truffle.api.frame.MaterializedFrame enclosingFrame, Object lexicalThis)
static com.oracle.truffle.api.object.DynamicObject	createNamedEmptyFunction(JSRealm realm, String name)
static JSFunctionData	createNamedEmptyFunctionData(JSContext context, String name)
static com.oracle.truffle.api.object.DynamicObject	createWithPrototype(JSFunctionFactory factory, JSRealm realm, JSFunctionData functionData, com.oracle.truffle.api.frame.MaterializedFrame enclosingFrame, com.oracle.truffle.api.object.DynamicObject prototype)
static void	fillFunctionPrototype(JSRealm realm)
static Object[]	getBoundArguments(com.oracle.truffle.api.object.DynamicObject function)
static com.oracle.truffle.api.object.DynamicObject	getBoundTargetFunction(com.oracle.truffle.api.object.DynamicObject function)
static Object	getBoundThis(com.oracle.truffle.api.object.DynamicObject function)
String	getBuiltinToStringTag(com.oracle.truffle.api.object.DynamicObject object) Returns builtinTag from step 14 of ES6+ 19.1.3.6.
static com.oracle.truffle.api.CallTarget	getCallTarget(com.oracle.truffle.api.object.DynamicObject obj)
String	getClassName(com.oracle.truffle.api.object.DynamicObject object) The [[Class]] internal property.
static Object	getClassPrototype(com.oracle.truffle.api.object.DynamicObject thisObj)
static Object	getClassPrototypeInitialized(com.oracle.truffle.api.object.DynamicObject thisObj)
static com.oracle.truffle.api.CallTarget	getConstructNewTarget(com.oracle.truffle.api.object.DynamicObject obj)
static com.oracle.truffle.api.CallTarget	getConstructTarget(com.oracle.truffle.api.object.DynamicObject obj)
static com.oracle.truffle.api.frame.MaterializedFrame	getEnclosingFrame(com.oracle.truffle.api.object.DynamicObject obj)
static com.oracle.truffle.api.nodes.RootNode	getFrameRootNode(com.oracle.truffle.api.frame.FrameInstance frameInstance)
static JSFunctionData	getFunctionData(com.oracle.truffle.api.object.DynamicObject obj)
static int	getLength(com.oracle.truffle.api.object.DynamicObject obj)
static Object	getLexicalThis(com.oracle.truffle.api.object.DynamicObject thisObj)
static String	getName(com.oracle.truffle.api.object.DynamicObject obj)
static JSRealm	getRealm(com.oracle.truffle.api.object.DynamicObject obj)
static JSRealm	getRealm(com.oracle.truffle.api.object.DynamicObject functionObj, JSContext context) Version optimized for a single Realm.
boolean	hasOnlyShapeProperties(com.oracle.truffle.api.object.DynamicObject obj) If true, JSClass.ownPropertyKeys(com.oracle.truffle.api.object.DynamicObject) and JSShape.getProperties(com.oracle.truffle.api.object.Shape) enumerate the same keys.
static boolean	isAsyncFunction(com.oracle.truffle.api.object.DynamicObject function)
static boolean	isBoundFunction(com.oracle.truffle.api.object.DynamicObject function)
static boolean	isBuiltin(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	isBuiltinSourceSection(com.oracle.truffle.api.source.SourceSection sourceSection)
static boolean	isBuiltinThatShouldNotAppearInStackTrace(JSRealm realm, com.oracle.truffle.api.object.DynamicObject function)
static boolean	isClassPrototypeInitialized(com.oracle.truffle.api.object.DynamicObject thisObj)
static boolean	isConstructor(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	isConstructor(Object obj)
static boolean	isGenerator(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	isJSFunction(Object obj)
static boolean	isStrict(com.oracle.truffle.api.object.DynamicObject obj)
static boolean	isStrictBuiltin(com.oracle.truffle.api.object.DynamicObject function)
static com.oracle.truffle.api.object.Shape	makeFunctionShape(JSContext context, com.oracle.truffle.api.object.DynamicObject prototype, boolean isGenerator, boolean isAsync)
static com.oracle.truffle.api.object.Shape	makeInitialEnumerateIteratorShape(JSContext context, com.oracle.truffle.api.object.DynamicObject enumerateIteratorPrototype)
static com.oracle.truffle.api.object.Shape	makeInitialForInIteratorShape(JSContext context, com.oracle.truffle.api.object.DynamicObject iteratorPrototype)
static boolean	needsParentFrame(com.oracle.truffle.api.object.DynamicObject obj)
static void	setBoundFunctionName(com.oracle.truffle.api.object.DynamicObject boundFunction, String targetName)
static void	setClassPrototype(com.oracle.truffle.api.object.DynamicObject thisObj, Object value)
static void	setFunctionLength(com.oracle.truffle.api.object.DynamicObject functionObj, Number length)
String	toDisplayStringImpl(com.oracle.truffle.api.object.DynamicObject obj, int depth, boolean allowSideEffects, JSContext context) A more informative toString variant, mainly used for error messages.

Methods inherited from class com.oracle.truffle.js.runtime.builtins.JSNonProxy

checkProtoCycle, createSymbolSpeciesGetterFunction, defineOwnProperty, delete, delete, deletePropertyDefault, getHelper, getHelper, getMethodHelper, getOwnHelper, getOwnHelper, getOwnProperty, getOwnPropertyKeys, getPrototypeOf, hasOwnProperty, hasOwnProperty, hasProperty, hasProperty, invokeAccessorPropertySetter, isExtensible, ordinaryGetOwnProperty, ordinaryGetOwnPropertyIntl, ordinaryOwnPropertyKeys, ordinaryOwnPropertyKeys, ordinaryOwnPropertyKeysSlow, ordinarySet, ordinarySetIndex, ordinarySetWithReceiver, performOrdinarySetWithOwnDescriptor, preventExtensions, preventExtensionsImpl, putConstructorSpeciesGetter, set, set, setIntegrityLevel, setIntegrityLevelFast, setPropertySlow, setPrototypeOf, testIntegrityLevel, testIntegrityLevelFast, toString, usesOrdinaryGetOwnProperty, usesOrdinaryIsExtensible

Methods inherited from class com.oracle.truffle.js.runtime.builtins.JSClass

defaultToString, filterOwnPropertyKeys, formatToString, get, get, getToStringTag, isInstance, isInstance, isInstance, isInstance, makeInitialShape, ownPropertyKeys, testIntegrityLevelDefault

Methods inherited from class com.oracle.truffle.api.object.ObjectType

dispatch, equals, hashCode, toString

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_NAME

public static final String TYPE_NAME

See Also:

Constant Field Values

CLASS_NAME

public static final String CLASS_NAME

See Also:

Constant Field Values

CLASS_NAME_NASHORN_COMPAT

public static final String CLASS_NAME_NASHORN_COMPAT

See Also:

Constant Field Values

PROTOTYPE_NAME

public static final String PROTOTYPE_NAME

See Also:

Constant Field Values

GENERATOR_FUNCTION_NAME

public static final String GENERATOR_FUNCTION_NAME

See Also:

Constant Field Values

GENERATOR_NAME

public static final String GENERATOR_NAME

See Also:

Constant Field Values

GENERATOR_PROTOTYPE_NAME

public static final String GENERATOR_PROTOTYPE_NAME

See Also:

Constant Field Values

ASYNC_FUNCTION_NAME

public static final String ASYNC_FUNCTION_NAME

See Also:

Constant Field Values

ASYNC_GENERATOR_FUNCTION_NAME

public static final String ASYNC_GENERATOR_FUNCTION_NAME

See Also:

Constant Field Values

ASYNC_GENERATOR_NAME

public static final String ASYNC_GENERATOR_NAME

See Also:

Constant Field Values

ASYNC_GENERATOR_PROTOTYPE_NAME

public static final String ASYNC_GENERATOR_PROTOTYPE_NAME

See Also:

Constant Field Values

ENUMERATE_ITERATOR_PROTOTYPE_NAME

public static final String ENUMERATE_ITERATOR_PROTOTYPE_NAME

See Also:

Constant Field Values

FOR_IN_ITERATOR_PROTOYPE_NAME

public static final String FOR_IN_ITERATOR_PROTOYPE_NAME

See Also:

Constant Field Values

CALLER

public static final String CALLER

See Also:

Constant Field Values

ARGUMENTS

public static final String ARGUMENTS

See Also:

Constant Field Values

LENGTH

public static final String LENGTH

See Also:

Constant Field Values

NAME

public static final String NAME

See Also:

Constant Field Values

PROGRAM_FUNCTION_NAME

public static final String PROGRAM_FUNCTION_NAME

See Also:

Constant Field Values

BUILTIN_SOURCE_NAME

public static final String BUILTIN_SOURCE_NAME

See Also:

Constant Field Values

BUILTIN_SOURCE_SECTION

public static final com.oracle.truffle.api.source.SourceSection BUILTIN_SOURCE_SECTION

ASYNC_FROM_SYNC_ITERATOR_KEY

public static final com.oracle.truffle.api.object.HiddenKey ASYNC_FROM_SYNC_ITERATOR_KEY

ASYNC_FROM_SYNC_ITERATOR_PROTOTYPE_NAME

public static final String ASYNC_FROM_SYNC_ITERATOR_PROTOTYPE_NAME

See Also:

Constant Field Values

PROTOTYPE_PROXY

public static final PropertyProxy PROTOTYPE_PROXY

LENGTH_PROXY

public static final PropertyProxy LENGTH_PROXY

NAME_PROXY

public static final PropertyProxy NAME_PROXY

CLASS_PROTOTYPE_PLACEHOLDER

public static final Object CLASS_PROTOTYPE_PLACEHOLDER

Placeholder for lazy initialization of the prototype property.

INSTANCE

public static final JSFunction INSTANCE

HOME_OBJECT_ID

public static final com.oracle.truffle.api.object.HiddenKey HOME_OBJECT_ID

CLASS_FIELDS_ID

public static final com.oracle.truffle.api.object.HiddenKey CLASS_FIELDS_ID

PRIVATE_BRAND_ID

public static final com.oracle.truffle.api.object.HiddenKey PRIVATE_BRAND_ID

GENERATOR_STATE_ID

public static final com.oracle.truffle.api.object.HiddenKey GENERATOR_STATE_ID

GENERATOR_CONTEXT_ID

public static final com.oracle.truffle.api.object.HiddenKey GENERATOR_CONTEXT_ID

GENERATOR_TARGET_ID

public static final com.oracle.truffle.api.object.HiddenKey GENERATOR_TARGET_ID

ASYNC_GENERATOR_STATE_ID

public static final com.oracle.truffle.api.object.HiddenKey ASYNC_GENERATOR_STATE_ID

ASYNC_GENERATOR_CONTEXT_ID

public static final com.oracle.truffle.api.object.HiddenKey ASYNC_GENERATOR_CONTEXT_ID

ASYNC_GENERATOR_QUEUE_ID

public static final com.oracle.truffle.api.object.HiddenKey ASYNC_GENERATOR_QUEUE_ID

ASYNC_GENERATOR_TARGET_ID

public static final com.oracle.truffle.api.object.HiddenKey ASYNC_GENERATOR_TARGET_ID

CONSTRUCT

public static final JSDynamicObject CONSTRUCT

Construct token. Passed from the new node as this argument to built-in functions to differentiate between a constructor and a normal call (i.e., [[Construct]] and [[Call]] internal methods, see ES5 13.2.1 and 13.2.2). Must not be passed anywhere else.

Method Detail

getCallTarget

public static com.oracle.truffle.api.CallTarget getCallTarget(com.oracle.truffle.api.object.DynamicObject obj)

getEnclosingFrame

public static com.oracle.truffle.api.frame.MaterializedFrame getEnclosingFrame(com.oracle.truffle.api.object.DynamicObject obj)

getFunctionData

public static JSFunctionData getFunctionData(com.oracle.truffle.api.object.DynamicObject obj)

getRealm

public static JSRealm getRealm(com.oracle.truffle.api.object.DynamicObject obj)

getRealm

public static JSRealm getRealm(com.oracle.truffle.api.object.DynamicObject functionObj,
                               JSContext context)

Version optimized for a single Realm.

create

public static com.oracle.truffle.api.object.DynamicObject create(JSRealm realm,
                                                                 JSFunctionData functionData)

create

public static com.oracle.truffle.api.object.DynamicObject create(JSRealm realm,
                                                                 JSFunctionData functionData,
                                                                 com.oracle.truffle.api.frame.MaterializedFrame enclosingFrame)

createWithPrototype

public static com.oracle.truffle.api.object.DynamicObject createWithPrototype(JSFunctionFactory factory,
                                                                              JSRealm realm,
                                                                              JSFunctionData functionData,
                                                                              com.oracle.truffle.api.frame.MaterializedFrame enclosingFrame,
                                                                              com.oracle.truffle.api.object.DynamicObject prototype)

createLexicalThis

public static com.oracle.truffle.api.object.DynamicObject createLexicalThis(JSRealm realm,
                                                                            JSFunctionData functionData,
                                                                            com.oracle.truffle.api.frame.MaterializedFrame enclosingFrame,
                                                                            Object lexicalThis)

createBound

public static com.oracle.truffle.api.object.DynamicObject createBound(JSContext context,
                                                                      JSRealm realm,
                                                                      JSFunctionData functionData,
                                                                      com.oracle.truffle.api.object.DynamicObject boundTargetFunction,
                                                                      Object boundThis,
                                                                      Object[] boundArguments)

getName

public static String getName(com.oracle.truffle.api.object.DynamicObject obj)

call

public static Object call(com.oracle.truffle.api.object.DynamicObject functionObject,
                          Object thisObject,
                          Object[] argumentValues)

call

public static Object call(Object[] jsArguments)

construct

public static Object construct(com.oracle.truffle.api.object.DynamicObject functionObject,
                               Object[] argumentValues)

bind

public static com.oracle.truffle.api.object.DynamicObject bind(JSRealm realm,
                                                               com.oracle.truffle.api.object.DynamicObject thisFnObj,
                                                               Object thisArg,
                                                               Object[] boundArguments)

boundFunctionCreate

public static com.oracle.truffle.api.object.DynamicObject boundFunctionCreate(JSContext context,
                                                                              com.oracle.truffle.api.object.DynamicObject boundTargetFunction,
                                                                              Object boundThis,
                                                                              Object[] boundArguments,
                                                                              com.oracle.truffle.api.object.DynamicObject proto,
                                                                              com.oracle.truffle.api.profiles.ConditionProfile isAsyncProfile,
                                                                              com.oracle.truffle.api.profiles.ConditionProfile setProtoProfile)

setFunctionLength

public static void setFunctionLength(com.oracle.truffle.api.object.DynamicObject functionObj,
                                     Number length)

setBoundFunctionName

public static void setBoundFunctionName(com.oracle.truffle.api.object.DynamicObject boundFunction,
                                        String targetName)

isStrict

public static boolean isStrict(com.oracle.truffle.api.object.DynamicObject obj)

isBuiltin

public static boolean isBuiltin(com.oracle.truffle.api.object.DynamicObject obj)

isConstructor

public static boolean isConstructor(com.oracle.truffle.api.object.DynamicObject obj)

isConstructor

public static boolean isConstructor(Object obj)

isGenerator

public static boolean isGenerator(com.oracle.truffle.api.object.DynamicObject obj)

needsParentFrame

public static boolean needsParentFrame(com.oracle.truffle.api.object.DynamicObject obj)

getLength

public static int getLength(com.oracle.truffle.api.object.DynamicObject obj)

isClassPrototypeInitialized

public static boolean isClassPrototypeInitialized(com.oracle.truffle.api.object.DynamicObject thisObj)

isBoundFunction

public static boolean isBoundFunction(com.oracle.truffle.api.object.DynamicObject function)

isAsyncFunction

public static boolean isAsyncFunction(com.oracle.truffle.api.object.DynamicObject function)

getBoundThis

public static Object getBoundThis(com.oracle.truffle.api.object.DynamicObject function)

getBoundTargetFunction

public static com.oracle.truffle.api.object.DynamicObject getBoundTargetFunction(com.oracle.truffle.api.object.DynamicObject function)

getBoundArguments

public static Object[] getBoundArguments(com.oracle.truffle.api.object.DynamicObject function)

getLexicalThis

public static Object getLexicalThis(com.oracle.truffle.api.object.DynamicObject thisObj)

getClassPrototypeInitialized

public static Object getClassPrototypeInitialized(com.oracle.truffle.api.object.DynamicObject thisObj)

getClassPrototype

public static Object getClassPrototype(com.oracle.truffle.api.object.DynamicObject thisObj)

setClassPrototype

public static void setClassPrototype(com.oracle.truffle.api.object.DynamicObject thisObj,
                                     Object value)

createBoundRootNode

public static com.oracle.truffle.api.nodes.RootNode createBoundRootNode(JSContext context,
                                                                        boolean construct,
                                                                        boolean newTarget)

createFunctionPrototype

public static com.oracle.truffle.api.object.DynamicObject createFunctionPrototype(JSRealm realm,
                                                                                  com.oracle.truffle.api.object.DynamicObject objectPrototype)

addRestrictedFunctionProperties

public static void addRestrictedFunctionProperties(JSRealm realm,
                                                   com.oracle.truffle.api.object.DynamicObject obj)

createNamedEmptyFunctionData

public static JSFunctionData createNamedEmptyFunctionData(JSContext context,
                                                          String name)

createEmptyFunctionData

public static JSFunctionData createEmptyFunctionData(JSContext context)

createNamedEmptyFunction

public static com.oracle.truffle.api.object.DynamicObject createNamedEmptyFunction(JSRealm realm,
                                                                                   String name)

createEmptyFunction

public static com.oracle.truffle.api.object.DynamicObject createEmptyFunction(JSRealm realm)

fillFunctionPrototype

public static void fillFunctionPrototype(JSRealm realm)

makeFunctionShape

public static com.oracle.truffle.api.object.Shape makeFunctionShape(JSContext context,
                                                                    com.oracle.truffle.api.object.DynamicObject prototype,
                                                                    boolean isGenerator,
                                                                    boolean isAsync)

createFunctionConstructor

public static com.oracle.truffle.api.object.DynamicObject createFunctionConstructor(JSRealm realm)

getClassName

public String getClassName(com.oracle.truffle.api.object.DynamicObject object)

Description copied from class: JSClass

The [[Class]] internal property. For ES5, this is the second part of what Object.prototype.toString.call(myObj) returns, e.g. "[object Array]".

Specified by:

getClassName in class JSClass

Parameters:

object - object to be used

getBuiltinToStringTag

public String getBuiltinToStringTag(com.oracle.truffle.api.object.DynamicObject object)

Description copied from class: JSClass

Returns builtinTag from step 14 of ES6+ 19.1.3.6. By default returns "Object".

Overrides:

getBuiltinToStringTag in class JSNonProxy

Parameters:

object - object to be used

Returns:

"Object" by default

See Also:

JSClass.defaultToString(DynamicObject)

toDisplayStringImpl

public String toDisplayStringImpl(com.oracle.truffle.api.object.DynamicObject obj,
                                  int depth,
                                  boolean allowSideEffects,
                                  JSContext context)

Description copied from class: JSClass

A more informative toString variant, mainly used for error messages.

Overrides:

toDisplayStringImpl in class JSNonProxy

depth - allowed nesting depth

context - the current language context

hasOnlyShapeProperties

public boolean hasOnlyShapeProperties(com.oracle.truffle.api.object.DynamicObject obj)

Description copied from class: JSClass

If true, JSClass.ownPropertyKeys(com.oracle.truffle.api.object.DynamicObject) and JSShape.getProperties(com.oracle.truffle.api.object.Shape) enumerate the same keys.

Overrides:

hasOnlyShapeProperties in class JSNonProxy

getConstructTarget

public static com.oracle.truffle.api.CallTarget getConstructTarget(com.oracle.truffle.api.object.DynamicObject obj)

getConstructNewTarget

public static com.oracle.truffle.api.CallTarget getConstructNewTarget(com.oracle.truffle.api.object.DynamicObject obj)

isJSFunction

public static boolean isJSFunction(Object obj)

createGeneratorFunctionPrototype

public static com.oracle.truffle.api.object.DynamicObject createGeneratorFunctionPrototype(JSRealm realm,
                                                                                           com.oracle.truffle.api.object.DynamicObject constructor)

createGeneratorFunctionConstructor

public static JSConstructor createGeneratorFunctionConstructor(JSRealm realm)

createAsyncFunctionPrototype

public static com.oracle.truffle.api.object.DynamicObject createAsyncFunctionPrototype(JSRealm realm,
                                                                                       com.oracle.truffle.api.object.DynamicObject constructor)

createAsyncFunctionConstructor

public static JSConstructor createAsyncFunctionConstructor(JSRealm realm)

createAsyncIteratorPrototype

public static com.oracle.truffle.api.object.DynamicObject createAsyncIteratorPrototype(JSRealm realm)

Creates the %AsyncIteratorPrototype% object (ES2018 11.1.2).

createAsyncFromSyncIteratorPrototype

public static com.oracle.truffle.api.object.DynamicObject createAsyncFromSyncIteratorPrototype(JSRealm realm)

Creates the %AsyncFromSyncIteratorPrototype% object (ES2018 11.1.3.2).

createAsyncGeneratorFunctionPrototype

public static com.oracle.truffle.api.object.DynamicObject createAsyncGeneratorFunctionPrototype(JSRealm realm,
                                                                                                com.oracle.truffle.api.object.DynamicObject constructor)

createAsyncGeneratorFunctionConstructor

public static JSConstructor createAsyncGeneratorFunctionConstructor(JSRealm realm)

createEnumerateIteratorPrototype

public static com.oracle.truffle.api.object.DynamicObject createEnumerateIteratorPrototype(JSRealm realm)

makeInitialEnumerateIteratorShape

public static com.oracle.truffle.api.object.Shape makeInitialEnumerateIteratorShape(JSContext context,
                                                                                    com.oracle.truffle.api.object.DynamicObject enumerateIteratorPrototype)

createForInIteratorPrototype

public static com.oracle.truffle.api.object.DynamicObject createForInIteratorPrototype(JSRealm realm)

makeInitialForInIteratorShape

public static com.oracle.truffle.api.object.Shape makeInitialForInIteratorShape(JSContext context,
                                                                                com.oracle.truffle.api.object.DynamicObject iteratorPrototype)

getFrameRootNode

public static com.oracle.truffle.api.nodes.RootNode getFrameRootNode(com.oracle.truffle.api.frame.FrameInstance frameInstance)

createBuiltinSourceSection

public static com.oracle.truffle.api.source.SourceSection createBuiltinSourceSection(String name)

isBuiltinSourceSection

public static boolean isBuiltinSourceSection(com.oracle.truffle.api.source.SourceSection sourceSection)

isBuiltinThatShouldNotAppearInStackTrace

public static boolean isBuiltinThatShouldNotAppearInStackTrace(JSRealm realm,
                                                               com.oracle.truffle.api.object.DynamicObject function)

isStrictBuiltin

public static boolean isStrictBuiltin(com.oracle.truffle.api.object.DynamicObject function)