Class IsNullNode

java.lang.Object

com.oracle.truffle.api.nodes.Node

com.oracle.truffle.js.nodes.JavaScriptBaseNode

com.oracle.truffle.js.nodes.JavaScriptNode

com.oracle.truffle.js.nodes.unary.JSUnaryNode

com.oracle.truffle.js.nodes.unary.IsIdenticalBaseNode

com.oracle.truffle.js.nodes.unary.IsNullNode

All Implemented Interfaces:

com.oracle.truffle.api.instrumentation.InstrumentableNode, com.oracle.truffle.api.nodes.NodeInterface, RepeatableNode, Cloneable

public abstract class IsNullNode
extends IsIdenticalBaseNode

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.truffle.api.nodes.Node

com.oracle.truffle.api.nodes.Node.Child, com.oracle.truffle.api.nodes.Node.Children

Nested classes/interfaces inherited from interface com.oracle.truffle.api.instrumentation.InstrumentableNode

com.oracle.truffle.api.instrumentation.InstrumentableNode.WrapperNode

Field Summary

Fields inherited from class com.oracle.truffle.js.nodes.unary.IsIdenticalBaseNode

leftConstant

Fields inherited from class com.oracle.truffle.js.nodes.unary.JSUnaryNode

operandNode

Fields inherited from class com.oracle.truffle.js.nodes.JavaScriptNode

INTERMEDIATE_VALUE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	IsNullNode(JavaScriptNode operand, boolean leftConstant)

Method Summary

Modifier and Type	Method	Description
protected JavaScriptNode	copyUninitialized(Set<Class<? extends com.oracle.truffle.api.instrumentation.Tag>> materializedTags)
static IsNullNode	create(JavaScriptNode operand, boolean leftConstant)
protected static boolean	doCached(Object operand, com.oracle.truffle.api.interop.InteropLibrary interop)
protected static boolean	doNull(Object operand)
protected static boolean	doObject(Object operand)
protected static boolean	doUndefined(Object operand)
protected Object	getConstantValue()

Methods inherited from class com.oracle.truffle.js.nodes.unary.IsIdenticalBaseNode

hasTag, isResultAlwaysOfType, materializeInstrumentableNodes

Methods inherited from class com.oracle.truffle.js.nodes.unary.JSUnaryNode

expressionToString, getNodeObject, getOperand

Methods inherited from class com.oracle.truffle.js.nodes.JavaScriptNode

addCallTag, addExpressionTag, addRootBodyTag, addStatementTag, cloneUninitialized, cloneUninitialized, copy, createWrapper, execute, executeBoolean, executeDouble, executeInt, executeVoid, findBlockScopeNode, getSourceSection, hasSourceSection, isInstrumentable, onReplace, setSourceSection, setSourceSection, toString, transferSourceSection, transferSourceSectionAddExpressionTag, transferSourceSectionAndTags

Methods inherited from class com.oracle.truffle.js.nodes.JavaScriptBaseNode

getJSContext, getLanguage, getLanguageOptions, getRealm, hasOverloadedOperators

Methods inherited from class com.oracle.truffle.api.nodes.Node

accept, adoptChildren, atomic, atomic, deepCopy, getChildren, getCost, getDebugProperties, getDescription, getEncapsulatingSourceSection, getLock, getParent, getRootNode, insert, insert, isAdoptable, isSafelyReplaceableBy, notifyInserted, replace, replace, reportPolymorphicSpecialize

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.oracle.truffle.api.instrumentation.InstrumentableNode

findNearestNodeAt, findNearestNodeAt

Constructor Details

IsNullNode

protected IsNullNode(JavaScriptNode operand,
 boolean leftConstant)

Method Details

doNull

protected static boolean doNull(Object operand)

doUndefined

protected static boolean doUndefined(Object operand)

doObject

protected static boolean doObject(Object operand)

doCached

protected static boolean doCached(Object operand,
 com.oracle.truffle.api.interop.InteropLibrary interop)

create

public static IsNullNode create(JavaScriptNode operand,
 boolean leftConstant)

copyUninitialized

protected JavaScriptNode copyUninitialized(Set<Class<? extends com.oracle.truffle.api.instrumentation.Tag>> materializedTags)

Overrides:

copyUninitialized in class JavaScriptNode

getConstantValue

protected Object getConstantValue()

Specified by:

getConstantValue in class IsIdenticalBaseNode