Package net.hydromatic.morel.eval

Class EvalEnvs.SubEvalEnv

java.lang.Object

net.hydromatic.morel.eval.EvalEnvs.SubEvalEnv

All Implemented Interfaces:

EvalEnv

Direct Known Subclasses:

EvalEnvs.MutableSubEvalEnv

Enclosing class:

EvalEnvs

static class EvalEnvs.SubEvalEnv
extends Object
implements EvalEnv

Evaluation environment that inherits from a parent environment and adds one binding.

Field Summary

Fields

Modifier and Type	Field	Description
protected final String	name
protected final EvalEnv	parentEnv
protected Object	value

Fields inherited from interface net.hydromatic.morel.eval.EvalEnv

SESSION

Constructor Summary

Constructors

Constructor	Description
SubEvalEnv(EvalEnv parentEnv, String name, Object value)

Method Summary

Modifier and Type	Method	Description
Object	getOpt(String name)	Returns the binding of name if bound, null if not.
void	visit(BiConsumer<String,Object> consumer)	Visits every variable binding in this environment.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.hydromatic.morel.eval.EvalEnv

bind, bindMutable, bindMutableArray, bindMutablePat, fix, valueMap

Field Details

parentEnv

protected final EvalEnv parentEnv

name

protected final String name

value

protected Object value

Constructor Details

SubEvalEnv

SubEvalEnv(EvalEnv parentEnv,
 String name,
 Object value)

Method Details

visit

public void visit(BiConsumer<String,Object> consumer)

Description copied from interface: EvalEnv

Visits every variable binding in this environment.

Bindings that are obscured by more recent bindings of the same name are visited, but after the more obscuring bindings.

Specified by:

visit in interface EvalEnv

getOpt

public Object getOpt(String name)

Description copied from interface: EvalEnv

Returns the binding of name if bound, null if not.

Specified by:

getOpt in interface EvalEnv