Class WithEnvironment

java.lang.Object

com.oracle.truffle.js.parser.env.Environment

com.oracle.truffle.js.parser.env.DerivedEnvironment

com.oracle.truffle.js.parser.env.WithEnvironment

public final class WithEnvironment
extends DerivedEnvironment

This environment stores "with" blocks. Actually, this is just a marker in the chain (tree) of environments.

Nested Class Summary

Nested classes/interfaces inherited from class Environment

Environment.AbstractFrameVarRef, Environment.FrameSlotVarRef, Environment.GlobalLexVarRef, Environment.GlobalVarRef, Environment.MappedArgumentVarRef, Environment.VarRef, Environment.WrappedVarRef

Field Summary

Fields inherited from class Environment

context, factory

Constructor Summary

Constructors

Constructor	Description
WithEnvironment(Environment parent, NodeFactory factory, JSContext context, Object withVarIdentifier)

Method Summary

Modifier and Type	Method	Description
Object	getWithVarIdentifier()
boolean	isDynamicScopeContext()	Environment chain contains a dynamic scope (eval or with) that may shadow variables.

Methods inherited from class DerivedEnvironment

declareInternalSlot, getBlockFrameDescriptor, getCurrentBlockScopeSlot, getScopeLevel

Methods inherited from class Environment

addFrameSlotFromSymbol, addFrameSlotsFromSymbols, addFrameSlotsFromSymbols, createLocal, createTempVar, declareLocalVar, findActiveModule, findArgumentsVar, findAsyncContextVar, findAsyncResultVar, findBlockFrameSlot, findBlockScopedVar, findDynamicScopeVar, findFunctionFrameSlot, findInternalSlot, findInternalSlot, findInternalSlot, findLocalVar, findNewTargetVar, findSuperVar, findTempVar, findThisVar, findVar, findVar, findVar, findYieldValueVar, function, getBlockScopeSlot, getFunctionFrameDescriptor, getParent, getParentAt, getScope, getVariableEnvironment, hasLocalVar, hasScopeFrame, isDynamicallyScoped, isStrictMode, joinElements, reserveArgumentsSlot, reserveDynamicScopeSlot, reserveNewTargetSlot, reserveSuperSlot, reserveThisSlot, toString, toStringImpl

Methods inherited from class Object

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

Constructor Details

WithEnvironment

public WithEnvironment(Environment parent,
 NodeFactory factory,
 JSContext context,
 Object withVarIdentifier)

Method Details

getWithVarIdentifier

public Object getWithVarIdentifier()

isDynamicScopeContext

public boolean isDynamicScopeContext()

Description copied from class: Environment

Environment chain contains a dynamic scope (eval or with) that may shadow variables.

Overrides:

isDynamicScopeContext in class Environment