com.oracle.truffle.js.nodes.access

Class ReadElementNode.ArrayReadElementCacheDispatchNode

java.lang.Object

com.oracle.truffle.api.nodes.Node

com.oracle.truffle.js.nodes.JavaScriptBaseNode

com.oracle.truffle.js.nodes.access.ReadElementNode.ArrayReadElementCacheDispatchNode

All Implemented Interfaces:

com.oracle.truffle.api.nodes.NodeInterface, Cloneable

Enclosing class:

ReadElementNode

public abstract static class ReadElementNode.ArrayReadElementCacheDispatchNode
extends JavaScriptBaseNode

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

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ArrayReadElementCacheDispatchNode()

Method Summary

Modifier and Type	Method and Description
protected static Object	doDispatch(JSDynamicObject target, ScriptArray arrayType, long index, Object receiver, Object defaultValue, JSContext context, int expectedReturn, ScriptArray cachedArrayType, com.oracle.truffle.js.nodes.access.ReadElementNode.ArrayReadElementCacheNode handler)
protected Object	executeArrayGet(com.oracle.truffle.api.nodes.Node node, JSDynamicObject target, ScriptArray array, long index, Object receiver, Object defaultValue, JSContext context)
protected double	executeArrayGetDouble(com.oracle.truffle.api.nodes.Node node, JSDynamicObject target, ScriptArray array, long index, Object receiver, Object defaultValue, JSContext context)
protected int	executeArrayGetInt(com.oracle.truffle.api.nodes.Node node, JSDynamicObject target, ScriptArray array, long index, Object receiver, Object defaultValue, JSContext context)
protected Object	executeDelegateReturn(com.oracle.truffle.api.nodes.Node node, JSDynamicObject target, ScriptArray array, long index, Object receiver, Object defaultValue, JSContext context, int expectedReturn) This could simply be ReadElementNode.ArrayReadElementCacheDispatchNode.executeExpectReturn(com.oracle.truffle.api.nodes.Node, com.oracle.truffle.js.runtime.objects.JSDynamicObject, com.oracle.truffle.js.runtime.array.ScriptArray, long, java.lang.Object, java.lang.Object, com.oracle.truffle.js.runtime.JSContext, int), but delegating a method with HostCompilerDirectives.InliningCutoff allows us to save inlining budget by not inlining the actual dispatch code, making it more likely that the caller will inline up to a method call of the expected unboxed return type.
protected abstract Object	executeExpectReturn(com.oracle.truffle.api.nodes.Node node, JSDynamicObject target, ScriptArray array, long index, Object receiver, Object defaultValue, JSContext context, int expectedReturn)
protected static com.oracle.truffle.js.nodes.access.ReadElementNode.ArrayReadElementCacheNode	makeHandler(JSDynamicObject target, ScriptArray arrayType)

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

copy, getLanguage, getRealm, hasOverloadedOperators, onReplace

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayReadElementCacheDispatchNode

protected ArrayReadElementCacheDispatchNode()

Method Detail

executeExpectReturn

protected abstract Object executeExpectReturn(com.oracle.truffle.api.nodes.Node node,
                                              JSDynamicObject target,
                                              ScriptArray array,
                                              long index,
                                              Object receiver,
                                              Object defaultValue,
                                              JSContext context,
                                              int expectedReturn)

executeDelegateReturn

protected final Object executeDelegateReturn(com.oracle.truffle.api.nodes.Node node,
                                             JSDynamicObject target,
                                             ScriptArray array,
                                             long index,
                                             Object receiver,
                                             Object defaultValue,
                                             JSContext context,
                                             int expectedReturn)

This could simply be ReadElementNode.ArrayReadElementCacheDispatchNode.executeExpectReturn(com.oracle.truffle.api.nodes.Node, com.oracle.truffle.js.runtime.objects.JSDynamicObject, com.oracle.truffle.js.runtime.array.ScriptArray, long, java.lang.Object, java.lang.Object, com.oracle.truffle.js.runtime.JSContext, int), but delegating a method with HostCompilerDirectives.InliningCutoff allows us to save inlining budget by not inlining the actual dispatch code, making it more likely that the caller will inline up to a method call of the expected unboxed return type.

executeArrayGet

protected final Object executeArrayGet(com.oracle.truffle.api.nodes.Node node,
                                       JSDynamicObject target,
                                       ScriptArray array,
                                       long index,
                                       Object receiver,
                                       Object defaultValue,
                                       JSContext context)

executeArrayGetInt

protected final int executeArrayGetInt(com.oracle.truffle.api.nodes.Node node,
                                       JSDynamicObject target,
                                       ScriptArray array,
                                       long index,
                                       Object receiver,
                                       Object defaultValue,
                                       JSContext context)
                                throws com.oracle.truffle.api.nodes.UnexpectedResultException

Throws:

com.oracle.truffle.api.nodes.UnexpectedResultException

executeArrayGetDouble

protected final double executeArrayGetDouble(com.oracle.truffle.api.nodes.Node node,
                                             JSDynamicObject target,
                                             ScriptArray array,
                                             long index,
                                             Object receiver,
                                             Object defaultValue,
                                             JSContext context)
                                      throws com.oracle.truffle.api.nodes.UnexpectedResultException

Throws:

com.oracle.truffle.api.nodes.UnexpectedResultException

doDispatch

protected static Object doDispatch(JSDynamicObject target,
                                   ScriptArray arrayType,
                                   long index,
                                   Object receiver,
                                   Object defaultValue,
                                   JSContext context,
                                   int expectedReturn,
                                   ScriptArray cachedArrayType,
                                   com.oracle.truffle.js.nodes.access.ReadElementNode.ArrayReadElementCacheNode handler)

makeHandler

protected static com.oracle.truffle.js.nodes.access.ReadElementNode.ArrayReadElementCacheNode makeHandler(JSDynamicObject target,
                                                                                                          ScriptArray arrayType)