com.oracle.truffle.js.parser.env

Class WithEnvironment

java.lang.Object

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

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

public class WithEnvironment
extends Environment

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 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

ARGUMENTS_NAME, context, factory, NEW_TARGET_NAME, SUPER_NAME, THIS_NAME

Constructor Summary

Constructors

Constructor and Description
WithEnvironment(Environment parent, NodeFactory factory, JSContext context, String withVarName)

Method Summary

Modifier and Type	Method and Description
protected com.oracle.truffle.api.frame.FrameSlot	findBlockFrameSlot(String name)
FunctionEnvironment	function()
com.oracle.truffle.api.frame.FrameSlot[]	getParentSlots()
int	getScopeLevel()
String	getWithVarName()
boolean	isDynamicScopeContext() Environment chain contains a dynamic scope (eval or with) that may shadow variables.

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

addFrameSlotFromSymbol, addFrameSlotsFromSymbols, addFrameSlotsFromSymbols, createLocal, createLocal, createTempVar, declareLocalVar, declareVar, findArgumentsVar, findAsyncContextVar, findAsyncResultVar, findDynamicScopeVar, findInternalSlot, findInternalSlot, findLocalVar, findNewTargetVar, findSuperVar, findTempVar, findThisVar, findVar, findVar, findYieldValueVar, getBlockFrameDescriptor, getFunctionFrameDescriptor, getParent, getParentAt, getParentSlots, getVariableEnvironment, hasLocalVar, isDynamicallyScoped, isStrictMode

Methods inherited from class java.lang.Object

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

Constructor Detail

WithEnvironment

public WithEnvironment(Environment parent,
                       NodeFactory factory,
                       JSContext context,
                       String withVarName)

Method Detail

getWithVarName

public String getWithVarName()

function

public FunctionEnvironment function()

Specified by:

function in class Environment

getScopeLevel

public int getScopeLevel()

Overrides:

getScopeLevel in class Environment

findBlockFrameSlot

protected com.oracle.truffle.api.frame.FrameSlot findBlockFrameSlot(String name)

Specified by:

findBlockFrameSlot in class Environment

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

getParentSlots

public com.oracle.truffle.api.frame.FrameSlot[] getParentSlots()

Overrides:

getParentSlots in class Environment