com.oracle.truffle.js.runtime.objects

Class JSProperty

java.lang.Object

com.oracle.truffle.js.runtime.objects.JSProperty

public final class JSProperty
extends Object

Property objects represent the mapping between low-level stores and high-level data. The simplest Property could be nothing more than a map of one index to one property's value, but abstracting the interface allows for getter/setter methods, type-checked properties, and other such specialized and language-specific behavior.

See Also:

JSAttributes

Field Summary

Fields

Modifier and Type	Field and Description
static int	ACCESSOR JS accessor property (implies not a data property).
static int	CONST Used for global scope const bindings.
static int	GLOBAL_VAR Global var declaration or function declaration (currently only set in eval code).
static int	MODULE_NAMESPACE_EXPORT Module namespace object export binding (special data property).
static int	PROXY Special JS data property using internal PropertyProxy accessor.

Method Summary

Modifier and Type	Method and Description
protected static String	getAttributeString(com.oracle.truffle.api.object.Property property, boolean positive)
static PropertyProxy	getConstantProxy(com.oracle.truffle.api.object.Property proxyProperty)
static Object	getValue(com.oracle.truffle.api.object.Property property, JSDynamicObject store, Object thisObj, com.oracle.truffle.api.nodes.Node encapsulatingNode) Get the value assigned to this property in the given object and store.
static boolean	isAccessor(int flags)
static boolean	isAccessor(com.oracle.truffle.api.object.Property property)
static boolean	isConfigurable(int flags)
static boolean	isConfigurable(com.oracle.truffle.api.object.Property property)
static boolean	isConst(int flags)
static boolean	isConst(com.oracle.truffle.api.object.Property property)
static boolean	isData(int flags)
static boolean	isData(com.oracle.truffle.api.object.Property property)
static boolean	isDataSpecial(int flags)
static boolean	isDataSpecial(com.oracle.truffle.api.object.Property property)
static boolean	isEnumerable(int flags)
static boolean	isEnumerable(com.oracle.truffle.api.object.Property property)
static boolean	isGlobalVarDeclaration(int flags)
static boolean	isModuleNamespaceExport(int flags)
static boolean	isModuleNamespaceExport(com.oracle.truffle.api.object.Property property)
static boolean	isProxy(int flags)
static boolean	isProxy(com.oracle.truffle.api.object.Property property)
static boolean	isWritable(int flags)
static boolean	isWritable(com.oracle.truffle.api.object.Property property)
static boolean	setValue(com.oracle.truffle.api.object.Property property, JSDynamicObject store, Object thisObj, Object value, boolean isStrict, com.oracle.truffle.api.nodes.Node encapsulatingNode) Set the value assigned to this property in the given object and store.
static String	toString(com.oracle.truffle.api.object.Property property)

Methods inherited from class java.lang.Object

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

Field Detail

ACCESSOR

public static final int ACCESSOR

JS accessor property (implies not a data property).

See Also:

Constant Field Values

PROXY

public static final int PROXY

Special JS data property using internal PropertyProxy accessor.

See Also:

Constant Field Values

CONST

public static final int CONST

Used for global scope const bindings.

See Also:

Constant Field Values

MODULE_NAMESPACE_EXPORT

public static final int MODULE_NAMESPACE_EXPORT

Module namespace object export binding (special data property).

See Also:

Constant Field Values

GLOBAL_VAR

public static final int GLOBAL_VAR

Global var declaration or function declaration (currently only set in eval code).

See Also:

Constant Field Values

Method Detail

toString

public static String toString(com.oracle.truffle.api.object.Property property)

getAttributeString

protected static String getAttributeString(com.oracle.truffle.api.object.Property property,
                                           boolean positive)

getValue

public static Object getValue(com.oracle.truffle.api.object.Property property,
                              JSDynamicObject store,
                              Object thisObj,
                              com.oracle.truffle.api.nodes.Node encapsulatingNode)

Get the value assigned to this property in the given object and store.

Parameters:

thisObj - the object that this property was found in

store - the store that this property's value resides in

Returns:

the value assigned to this property

setValue

public static boolean setValue(com.oracle.truffle.api.object.Property property,
                               JSDynamicObject store,
                               Object thisObj,
                               Object value,
                               boolean isStrict,
                               com.oracle.truffle.api.nodes.Node encapsulatingNode)

Set the value assigned to this property in the given object and store.

Parameters:

store - the store that this property's value resides in

thisObj - the object that this property was found in

value - the value to assign to this property

isStrict - whether the set is in a strict mode function

isConfigurable

public static boolean isConfigurable(com.oracle.truffle.api.object.Property property)

isEnumerable

public static boolean isEnumerable(com.oracle.truffle.api.object.Property property)

isWritable

public static boolean isWritable(com.oracle.truffle.api.object.Property property)

isProxy

public static boolean isProxy(com.oracle.truffle.api.object.Property property)

isAccessor

public static boolean isAccessor(com.oracle.truffle.api.object.Property property)

isData

public static boolean isData(com.oracle.truffle.api.object.Property property)

isConst

public static boolean isConst(com.oracle.truffle.api.object.Property property)

isModuleNamespaceExport

public static boolean isModuleNamespaceExport(com.oracle.truffle.api.object.Property property)

isDataSpecial

public static boolean isDataSpecial(com.oracle.truffle.api.object.Property property)

isConfigurable

public static boolean isConfigurable(int flags)

isEnumerable

public static boolean isEnumerable(int flags)

isWritable

public static boolean isWritable(int flags)

isProxy

public static boolean isProxy(int flags)

isAccessor

public static boolean isAccessor(int flags)

isData

public static boolean isData(int flags)

isConst

public static boolean isConst(int flags)

isModuleNamespaceExport

public static boolean isModuleNamespaceExport(int flags)

isDataSpecial

public static boolean isDataSpecial(int flags)

isGlobalVarDeclaration

public static boolean isGlobalVarDeclaration(int flags)

getConstantProxy

public static PropertyProxy getConstantProxy(com.oracle.truffle.api.object.Property proxyProperty)