com.oracle.truffle.js.nodes.control

Class AwaitNode

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.AwaitNode

All Implemented Interfaces:

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

Direct Known Subclasses:

AsyncGeneratorYieldNode, AsyncIteratorCloseWrapperNode, AsyncIteratorNextNode

public class AwaitNode
extends JavaScriptNode
implements ResumableNode, SuspendNode

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

Modifier and Type	Field and Description
protected JSContext	context
protected JavaScriptNode	expression
protected JSReadFrameSlotNode	readAsyncContextNode
protected JSReadFrameSlotNode	readAsyncResultNode

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

INTERMEDIATE_VALUE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AwaitNode(JSContext context, JavaScriptNode expression, JSReadFrameSlotNode readAsyncContextNode, JSReadFrameSlotNode readAsyncResultNode)

Method Summary

Modifier and Type	Method and Description
protected JavaScriptNode	copyUninitialized(Set<Class<? extends com.oracle.truffle.api.instrumentation.Tag>> materializedTags)
static AwaitNode	create(JSContext context, JavaScriptNode expression, JSReadFrameSlotNode readAsyncContextNode, JSReadFrameSlotNode readAsyncResultNode)
Object	execute(com.oracle.truffle.api.frame.VirtualFrame frame) Executes this node using the specified context and frame and returns the result value.
static List<com.oracle.truffle.api.TruffleStackTraceElement>	findAsyncStackFramesFromHandler(com.oracle.truffle.api.object.DynamicObject handlerFunction)
static List<com.oracle.truffle.api.TruffleStackTraceElement>	findAsyncStackFramesFromPromise(com.oracle.truffle.api.object.DynamicObject promise)
Object	getNodeObject()
boolean	hasTag(Class<? extends com.oracle.truffle.api.instrumentation.Tag> tag)
com.oracle.truffle.api.instrumentation.InstrumentableNode	materializeInstrumentableNodes(Set<Class<? extends com.oracle.truffle.api.instrumentation.Tag>> materializedTags)
Object	resume(com.oracle.truffle.api.frame.VirtualFrame frame)
protected Object	resumeAwait(com.oracle.truffle.api.frame.VirtualFrame frame)
protected Object	suspendAwait(com.oracle.truffle.api.frame.VirtualFrame frame, Object value)

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

addCallTag, addExpressionTag, addRootBodyTag, addStatementTag, cloneUninitialized, cloneUninitialized, copy, createWrapper, executeBoolean, executeDouble, executeInt, executeLong, executeSafeInteger, executeString, executeVoid, expressionToString, findBlockScopeNode, getSourceSection, hasSourceSection, isInstrumentable, isResultAlwaysOfType, onReplace, removeSourceSection, setSourceSection, setSourceSection, toString, transferSourceSection, transferSourceSectionAddExpressionTag, transferSourceSectionAndTags

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, lookupContextReference, lookupLanguageReference, 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.js.nodes.control.ResumableNode

getState, getStateAndReset, getStateAsInt, getStateAsIntAndReset, parent, resetState, setState

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

findInstrumentableParent, findNearestNodeAt

Field Detail

expression

protected JavaScriptNode expression

readAsyncResultNode

protected JSReadFrameSlotNode readAsyncResultNode

readAsyncContextNode

protected JSReadFrameSlotNode readAsyncContextNode

context

protected final JSContext context

Constructor Detail

AwaitNode

protected AwaitNode(JSContext context,
                    JavaScriptNode expression,
                    JSReadFrameSlotNode readAsyncContextNode,
                    JSReadFrameSlotNode readAsyncResultNode)

Method Detail

create

public static AwaitNode create(JSContext context,
                               JavaScriptNode expression,
                               JSReadFrameSlotNode readAsyncContextNode,
                               JSReadFrameSlotNode readAsyncResultNode)

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

hasTag

public boolean hasTag(Class<? extends com.oracle.truffle.api.instrumentation.Tag> tag)

Specified by:

hasTag in interface com.oracle.truffle.api.instrumentation.InstrumentableNode

Overrides:

hasTag in class JavaScriptNode

materializeInstrumentableNodes

public com.oracle.truffle.api.instrumentation.InstrumentableNode materializeInstrumentableNodes(Set<Class<? extends com.oracle.truffle.api.instrumentation.Tag>> materializedTags)

Specified by:

materializeInstrumentableNodes in interface com.oracle.truffle.api.instrumentation.InstrumentableNode

suspendAwait

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

getNodeObject

public Object getNodeObject()

Specified by:

getNodeObject in interface com.oracle.truffle.api.instrumentation.InstrumentableNode

resume

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

Specified by:

resume in interface ResumableNode

resumeAwait

protected Object resumeAwait(com.oracle.truffle.api.frame.VirtualFrame frame)

copyUninitialized

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

Overrides:

copyUninitialized in class JavaScriptNode

findAsyncStackFramesFromPromise

public static List<com.oracle.truffle.api.TruffleStackTraceElement> findAsyncStackFramesFromPromise(com.oracle.truffle.api.object.DynamicObject promise)

findAsyncStackFramesFromHandler

public static List<com.oracle.truffle.api.TruffleStackTraceElement> findAsyncStackFramesFromHandler(com.oracle.truffle.api.object.DynamicObject handlerFunction)