Class BlockEnvironment

java.lang.Object

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

com.oracle.truffle.js.parser.env.BlockEnvironment

public final class BlockEnvironment
extends Environment

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
BlockEnvironment(Environment parent, NodeFactory factory, JSContext context)
BlockEnvironment(Environment parent, NodeFactory factory, JSContext context, Scope blockScope)

Method Summary

Modifier and Type	Method	Description
void	addFrameSlotFromSymbol(Symbol symbol)
boolean	capturesFunctionFrame()
JSFrameSlot	declareInternalSlot(Object name)
JSFrameSlot	findBlockFrameSlot(Object name)
JSFrameSlot	findFunctionFrameSlot(Object name)
JSFrameDescriptor	getBlockFrameDescriptor()
JSFrameSlot	getCurrentBlockScopeSlot()
int	getEnd()
JSFrameSlot	getParentSlot()
Scope	getScope()
int	getScopeLevel()
int	getStart()
boolean	hasScopeFrame()
boolean	isFunctionBlock()
boolean	isGeneratorFunctionBlock()
static boolean	isScopeCaptured(Scope blockScope)
protected String	toStringImpl(Map<String,Integer> state)

Methods inherited from class Environment

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

Methods inherited from class Object

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

Constructor Details

BlockEnvironment

public BlockEnvironment(Environment parent,
 NodeFactory factory,
 JSContext context,
 Scope blockScope)

BlockEnvironment

public BlockEnvironment(Environment parent,
 NodeFactory factory,
 JSContext context)

Method Details

isScopeCaptured

public static boolean isScopeCaptured(Scope blockScope)

findBlockFrameSlot

public JSFrameSlot findBlockFrameSlot(Object name)

Overrides:

findBlockFrameSlot in class Environment

findFunctionFrameSlot

public JSFrameSlot findFunctionFrameSlot(Object name)

Overrides:

findFunctionFrameSlot in class Environment

getBlockFrameDescriptor

public JSFrameDescriptor getBlockFrameDescriptor()

Overrides:

getBlockFrameDescriptor in class Environment

getParentSlot

public JSFrameSlot getParentSlot()

getScopeLevel

public int getScopeLevel()

Overrides:

getScopeLevel in class Environment

hasScopeFrame

public boolean hasScopeFrame()

Overrides:

hasScopeFrame in class Environment

getCurrentBlockScopeSlot

public JSFrameSlot getCurrentBlockScopeSlot()

Overrides:

getCurrentBlockScopeSlot in class Environment

isFunctionBlock

public boolean isFunctionBlock()

declareInternalSlot

public JSFrameSlot declareInternalSlot(Object name)

Overrides:

declareInternalSlot in class Environment

addFrameSlotFromSymbol

public void addFrameSlotFromSymbol(Symbol symbol)

Overrides:

addFrameSlotFromSymbol in class Environment

getStart

public int getStart()

getEnd

public int getEnd()

getScope

public Scope getScope()

Overrides:

getScope in class Environment

isGeneratorFunctionBlock

public boolean isGeneratorFunctionBlock()

capturesFunctionFrame

public boolean capturesFunctionFrame()

toStringImpl

protected String toStringImpl(Map<String,Integer> state)

Overrides:

toStringImpl in class Environment