com.oracle.truffle.js.runtime

Class JSFrameUtil

java.lang.Object

com.oracle.truffle.js.runtime.JSFrameUtil

public final class JSFrameUtil
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static Object	DEFAULT_VALUE
static int	IS_HOISTED_FROM_BLOCK
static com.oracle.truffle.api.frame.MaterializedFrame	NULL_MATERIALIZED_FRAME
static int	SYMBOL_FLAG_MASK

Method Summary

Modifier and Type	Method and Description
static com.oracle.truffle.api.frame.MaterializedFrame	castMaterializedFrame(Object frame)
static OptionalInt	findOptionalFrameSlotIndex(com.oracle.truffle.api.frame.FrameDescriptor frameDescriptor, Object identifier)
static int	findRequiredFrameSlotIndex(com.oracle.truffle.api.frame.FrameDescriptor frameDescriptor, Object identifier)
static Object[]	getArgumentsArray(com.oracle.truffle.api.frame.Frame frame)
static int	getFlags(com.oracle.truffle.api.frame.FrameDescriptor desc, int index)
static int	getFlags(JSFrameSlot frameSlot)
static int	getFlagsFromInfo(Object info)
static JSFunctionObject	getFunctionObject(com.oracle.truffle.api.frame.Frame frame)
static Object	getFunctionObjectNoCast(com.oracle.truffle.api.frame.Frame frame)
static com.oracle.truffle.api.frame.MaterializedFrame	getParentFrame(com.oracle.truffle.api.frame.Frame frame)
static com.oracle.truffle.api.strings.TruffleString	getPublicName(Object identifier)
static Object	getThisObj(com.oracle.truffle.api.frame.Frame frame)
static boolean	hasTemporalDeadZone(com.oracle.truffle.api.frame.FrameDescriptor desc, int index)
static boolean	hasTemporalDeadZone(JSFrameSlot frameSlot)
static boolean	isArguments(JSFrameSlot frameSlot)
static boolean	isClosedOver(JSFrameSlot frameSlot)
static boolean	isConst(com.oracle.truffle.api.frame.FrameDescriptor desc, int index)
static boolean	isConst(JSFrameSlot frameSlot)
static boolean	isHoistable(com.oracle.truffle.api.frame.FrameDescriptor desc, int index)
static boolean	isHoistedFromBlock(com.oracle.truffle.api.frame.FrameDescriptor desc, int index)
static boolean	isImportBinding(com.oracle.truffle.api.frame.FrameDescriptor desc, int index)
static boolean	isImportBinding(JSFrameSlot frameSlot)
static boolean	isInternal(com.oracle.truffle.api.frame.FrameDescriptor desc, int index) Returns true if the frame slot is implementation-internal.
static boolean	isInternalIdentifier(Object identifier)
static boolean	isLet(com.oracle.truffle.api.frame.FrameDescriptor desc, int index)
static boolean	isLet(JSFrameSlot frameSlot)
static boolean	isParam(JSFrameSlot frameSlot)
static boolean	isPrivateName(JSFrameSlot frameSlot)
static boolean	isPrivateNameStatic(JSFrameSlot frameSlot)
static boolean	isThisSlot(com.oracle.truffle.api.frame.FrameDescriptor desc, int index)
static boolean	isThisSlotIdentifier(Object identifier)
static boolean	needsPrivateBrandCheck(JSFrameSlot frameSlot)
static boolean	needsTemporalDeadZoneCheck(JSFrameSlot frameSlot, int frameLevel)

Methods inherited from class java.lang.Object

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

Field Detail

NULL_MATERIALIZED_FRAME

public static final com.oracle.truffle.api.frame.MaterializedFrame NULL_MATERIALIZED_FRAME

DEFAULT_VALUE

public static final Object DEFAULT_VALUE

IS_HOISTED_FROM_BLOCK

public static final int IS_HOISTED_FROM_BLOCK

See Also:

Constant Field Values

SYMBOL_FLAG_MASK

public static final int SYMBOL_FLAG_MASK

See Also:

Constant Field Values

Method Detail

getThisObj

public static Object getThisObj(com.oracle.truffle.api.frame.Frame frame)

getFunctionObject

public static JSFunctionObject getFunctionObject(com.oracle.truffle.api.frame.Frame frame)

getFunctionObjectNoCast

public static Object getFunctionObjectNoCast(com.oracle.truffle.api.frame.Frame frame)

getArgumentsArray

public static Object[] getArgumentsArray(com.oracle.truffle.api.frame.Frame frame)

getFlags

public static int getFlags(JSFrameSlot frameSlot)

getFlags

public static int getFlags(com.oracle.truffle.api.frame.FrameDescriptor desc,
                           int index)

getFlagsFromInfo

public static int getFlagsFromInfo(Object info)

hasTemporalDeadZone

public static boolean hasTemporalDeadZone(JSFrameSlot frameSlot)

hasTemporalDeadZone

public static boolean hasTemporalDeadZone(com.oracle.truffle.api.frame.FrameDescriptor desc,
                                          int index)

needsTemporalDeadZoneCheck

public static boolean needsTemporalDeadZoneCheck(JSFrameSlot frameSlot,
                                                 int frameLevel)

isConst

public static boolean isConst(JSFrameSlot frameSlot)

isLet

public static boolean isLet(JSFrameSlot frameSlot)

isConst

public static boolean isConst(com.oracle.truffle.api.frame.FrameDescriptor desc,
                              int index)

isLet

public static boolean isLet(com.oracle.truffle.api.frame.FrameDescriptor desc,
                            int index)

isHoistable

public static boolean isHoistable(com.oracle.truffle.api.frame.FrameDescriptor desc,
                                  int index)

isImportBinding

public static boolean isImportBinding(JSFrameSlot frameSlot)

isImportBinding

public static boolean isImportBinding(com.oracle.truffle.api.frame.FrameDescriptor desc,
                                      int index)

isPrivateName

public static boolean isPrivateName(JSFrameSlot frameSlot)

needsPrivateBrandCheck

public static boolean needsPrivateBrandCheck(JSFrameSlot frameSlot)

isPrivateNameStatic

public static boolean isPrivateNameStatic(JSFrameSlot frameSlot)

isParam

public static boolean isParam(JSFrameSlot frameSlot)

isArguments

public static boolean isArguments(JSFrameSlot frameSlot)

isClosedOver

public static boolean isClosedOver(JSFrameSlot frameSlot)

isHoistedFromBlock

public static boolean isHoistedFromBlock(com.oracle.truffle.api.frame.FrameDescriptor desc,
                                         int index)

getParentFrame

public static com.oracle.truffle.api.frame.MaterializedFrame getParentFrame(com.oracle.truffle.api.frame.Frame frame)

castMaterializedFrame

public static com.oracle.truffle.api.frame.MaterializedFrame castMaterializedFrame(Object frame)

isInternal

public static boolean isInternal(com.oracle.truffle.api.frame.FrameDescriptor desc,
                                 int index)

Returns true if the frame slot is implementation-internal.

isInternalIdentifier

public static boolean isInternalIdentifier(Object identifier)

getPublicName

public static com.oracle.truffle.api.strings.TruffleString getPublicName(Object identifier)

isThisSlot

public static boolean isThisSlot(com.oracle.truffle.api.frame.FrameDescriptor desc,
                                 int index)

isThisSlotIdentifier

public static boolean isThisSlotIdentifier(Object identifier)

findRequiredFrameSlotIndex

public static int findRequiredFrameSlotIndex(com.oracle.truffle.api.frame.FrameDescriptor frameDescriptor,
                                             Object identifier)

findOptionalFrameSlotIndex

public static OptionalInt findOptionalFrameSlotIndex(com.oracle.truffle.api.frame.FrameDescriptor frameDescriptor,
                                                     Object identifier)