Class DerivedEnvironment

java.lang.Object

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

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

Direct Known Subclasses:

GlobalEnvironment, PrivateEnvironment, WithEnvironment

public abstract class DerivedEnvironment
extends Environment

Base class for environments that extend the current function or block environment.

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.truffle.js.parser.env.Environment

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

Field Summary

Fields inherited from class com.oracle.truffle.js.parser.env.Environment

context, factory

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DerivedEnvironment(Environment parent, NodeFactory factory, JSContext context)

Method Summary

Modifier and Type	Method	Description
final JSFrameSlot	declareInternalSlot(Object name)
final JSFrameDescriptor	getBlockFrameDescriptor()
final JSFrameSlot	getCurrentBlockScopeSlot()
final int	getScopeLevel()

Methods inherited from class com.oracle.truffle.js.parser.env.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, isDynamicScopeContext, isStrictMode, joinElements, reserveArgumentsSlot, reserveDynamicScopeSlot, reserveNewTargetSlot, reserveSuperSlot, reserveThisSlot, toString, toStringImpl

Methods inherited from class java.lang.Object

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

Constructor Details

DerivedEnvironment

protected DerivedEnvironment(Environment parent,
 NodeFactory factory,
 JSContext context)

Method Details

getBlockFrameDescriptor

public final JSFrameDescriptor getBlockFrameDescriptor()

Overrides:

getBlockFrameDescriptor in class Environment

getScopeLevel

public final int getScopeLevel()

Overrides:

getScopeLevel in class Environment

getCurrentBlockScopeSlot

public final JSFrameSlot getCurrentBlockScopeSlot()

Overrides:

getCurrentBlockScopeSlot in class Environment

declareInternalSlot

public final JSFrameSlot declareInternalSlot(Object name)

Overrides:

declareInternalSlot in class Environment