scheme.interp
Class Eval_Exp

java.lang.Object
  |
  +--scheme.interp.Eval_Exp

public class Eval_Exp

extends java.lang.Object

implements ExpVisitor

Field Summary

private Env	env
private Eval_Constant	eval_const
private Eval_Datum	eval_datum
private Eval_ExpList	eval_explist
private SchemeValue	v

Constructor Summary

Eval_Exp()

Method Summary

private SchemeValue	applyPrim(byte op, List args)
Env	getEnv()
SchemeValue	getValue()
void	setEnv(Env newenv)
void	visitAppE(AppE e)
void	visitBeginE(BeginE e)
void	visitConstantE(ConstantE e)
void	visitIfE(IfE e)
void	visitLambdaE(LambdaE e)
void	visitLetE(LetE e)
void	visitLetrecE(LetrecE e)
void	visitPrimappE(PrimappE e)
void	visitQuoteE(QuoteE e)
void	visitSetE(SetE e)
void	visitVarE(VarE e)

Methods inherited from class java.lang.Object

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

Field Detail

v

private SchemeValue v

eval_explist

private Eval_ExpList eval_explist

eval_const

private Eval_Constant eval_const

eval_datum

private Eval_Datum eval_datum

env

private Env env

Constructor Detail

Eval_Exp

public Eval_Exp()

Method Detail

getValue

public SchemeValue getValue()

getEnv

public Env getEnv()

setEnv

public void setEnv(Env newenv)

visitConstantE

public void visitConstantE(ConstantE e)
                    throws VisitE

Specified by:

visitConstantE in interface ExpVisitor

visitQuoteE

public void visitQuoteE(QuoteE e)
                 throws VisitE

Specified by:

visitQuoteE in interface ExpVisitor

visitVarE

public void visitVarE(VarE e)
               throws VisitE

Specified by:

visitVarE in interface ExpVisitor

visitIfE

public void visitIfE(IfE e)
              throws VisitE

Specified by:

visitIfE in interface ExpVisitor

visitLambdaE

public void visitLambdaE(LambdaE e)
                  throws VisitE

Specified by:

visitLambdaE in interface ExpVisitor

visitAppE

public void visitAppE(AppE e)
               throws VisitE

Specified by:

visitAppE in interface ExpVisitor

visitSetE

public void visitSetE(SetE e)
               throws VisitE

Specified by:

visitSetE in interface ExpVisitor

visitBeginE

public void visitBeginE(BeginE e)
                 throws VisitE

Specified by:

visitBeginE in interface ExpVisitor

visitPrimappE

public void visitPrimappE(PrimappE e)
                   throws VisitE

Specified by:

visitPrimappE in interface ExpVisitor

visitLetE

public void visitLetE(LetE e)
               throws VisitE

Specified by:

visitLetE in interface ExpVisitor

visitLetrecE

public void visitLetrecE(LetrecE e)
                  throws VisitE

Specified by:

visitLetrecE in interface ExpVisitor

applyPrim

private SchemeValue applyPrim(byte op,
                              List args)
                       throws VisitE