ix.util.lisp
Class Interpreter.Closure

java.lang.Object
  ix.util.lisp.Interpreter.AbstractFunction
      ix.util.lisp.Interpreter.Closure

All Implemented Interfaces:

Interpreter.Function

Enclosing class:

Interpreter

public static class Interpreter.Closure
extends Interpreter.AbstractFunction

An interpreted function.

Field Summary

(package private) Interpreter.Expr	body
(package private) Interpreter.Env	definitionEnv
(package private) Symbol[]	vars

Fields inherited from interface ix.util.lisp.Interpreter.Function

ANY_ARITY

Constructor Summary

Interpreter.Closure(Symbol[] vars, Interpreter.Expr body, Interpreter.Env definitionEnv)

Method Summary

java.lang.Object	applyTo(java.lang.Object[] args) Returns the result of applying this function to the specified arguments.
int	getArity() Returns the number of arguments this function expects.
java.lang.String	toString()

Methods inherited from class ix.util.lisp.Interpreter.AbstractFunction

checkArity, mustBe

Methods inherited from class java.lang.Object

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

Field Detail

vars

Symbol[] vars

body

Interpreter.Expr body

definitionEnv

Interpreter.Env definitionEnv

Constructor Detail

Interpreter.Closure

public Interpreter.Closure(Symbol[] vars,
                           Interpreter.Expr body,
                           Interpreter.Env definitionEnv)

Method Detail

applyTo

public java.lang.Object applyTo(java.lang.Object[] args)

Description copied from interface: Interpreter.Function

Returns the result of applying this function to the specified arguments. This is the method that should be defined in order to implement whatever the function is meant to do.

getArity

public int getArity()

Description copied from interface: Interpreter.Function

Returns the number of arguments this function expects. If the function can take any number of arguments, the value is Interpreter.Function.ANY_ARITY.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object