Class YieldNode

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.control.YieldNode

All Implemented Interfaces:

com.oracle.truffle.api.instrumentation.InstrumentableNode, com.oracle.truffle.api.nodes.NodeInterface, ResumableNode, ResumableNode.WithIntState, SuspendNode, Cloneable

public class YieldNode
extends JavaScriptNode
implements ResumableNode.WithIntState

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

Nested classes/interfaces inherited from interface com.oracle.truffle.js.nodes.control.ResumableNode

ResumableNode.WithIntState, ResumableNode.WithObjectState

Field Summary

Fields

Modifier and Type	Field	Description
protected final JSContext	context
protected JavaScriptNode	expression
protected YieldResultNode	generatorYieldNode
protected ReturnNode	returnNode
protected final com.oracle.truffle.api.profiles.ConditionProfile	returnOrExceptionProfile
protected final int	stateSlot
protected JavaScriptNode	yieldValue

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

INTERMEDIATE_VALUE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	YieldNode(JSContext context, int stateSlot, JavaScriptNode expression, JavaScriptNode yieldValue, ReturnNode returnNode, YieldResultNode yieldResultNode)

Method Summary

Modifier and Type	Method	Description
protected JavaScriptNode	copyUninitialized(Set<Class<? extends com.oracle.truffle.api.instrumentation.Tag>> materializedTags)
static JavaScriptNode	createYield(JSContext context, int stateSlot, JavaScriptNode expression, JavaScriptNode yieldValue, ReturnNode returnNode, JSWriteFrameSlotNode writeYieldResultNode)
static JavaScriptNode	createYieldStar(JSContext context, int stateSlot, JavaScriptNode expression, JavaScriptNode yieldValue, ReturnNode returnNode, JSWriteFrameSlotNode writeYieldResultNode)
Object	execute(com.oracle.truffle.api.frame.VirtualFrame frame)	Executes this node using the specified context and frame and returns the result value.
protected final Object	generatorYield(com.oracle.truffle.api.frame.VirtualFrame frame, Object iterNextObj)
protected final Object	returnValue(com.oracle.truffle.api.frame.VirtualFrame frame, Object value)
protected final Object	throwValue(Object value)

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

addCallTag, addExpressionTag, addRootBodyTag, addStatementTag, cloneUninitialized, cloneUninitialized, copy, createWrapper, executeBoolean, executeDouble, executeInt, executeVoid, expressionToString, findBlockScopeNode, getSourceSection, hasSourceSection, hasTag, isInstrumentable, isResultAlwaysOfType, 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, getNodeObject, materializeInstrumentableNodes

Methods inherited from interface com.oracle.truffle.js.nodes.control.ResumableNode

asResumableNode, resetState, resume

Methods inherited from interface com.oracle.truffle.js.nodes.control.ResumableNode.WithIntState

getStateAsInt, getStateAsIntAndReset, getStateSlotKind, setStateAsInt

Field Details

stateSlot

protected final int stateSlot

expression

protected JavaScriptNode expression

yieldValue

protected JavaScriptNode yieldValue

returnNode

protected ReturnNode returnNode

generatorYieldNode

protected YieldResultNode generatorYieldNode

context

protected final JSContext context

returnOrExceptionProfile

protected final com.oracle.truffle.api.profiles.ConditionProfile returnOrExceptionProfile

Constructor Details

YieldNode

protected YieldNode(JSContext context,
 int stateSlot,
 JavaScriptNode expression,
 JavaScriptNode yieldValue,
 ReturnNode returnNode,
 YieldResultNode yieldResultNode)

Method Details

createYield

public static JavaScriptNode createYield(JSContext context,
 int stateSlot,
 JavaScriptNode expression,
 JavaScriptNode yieldValue,
 ReturnNode returnNode,
 JSWriteFrameSlotNode writeYieldResultNode)

createYieldStar

public static JavaScriptNode createYieldStar(JSContext context,
 int stateSlot,
 JavaScriptNode expression,
 JavaScriptNode yieldValue,
 ReturnNode returnNode,
 JSWriteFrameSlotNode writeYieldResultNode)

execute

public Object execute(com.oracle.truffle.api.frame.VirtualFrame frame)

Description copied from class: JavaScriptNode

Executes this node using the specified context and frame and returns the result value.

Specified by:

execute in class JavaScriptNode

Parameters:

frame - the frame of the currently executing guest language method

Returns:

the value of the execution

copyUninitialized

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

Overrides:

copyUninitialized in class JavaScriptNode

generatorYield

protected final Object generatorYield(com.oracle.truffle.api.frame.VirtualFrame frame,
 Object iterNextObj)

throwValue

protected final Object throwValue(Object value)

returnValue

protected final Object returnValue(com.oracle.truffle.api.frame.VirtualFrame frame,
 Object value)