ix.util.lisp
Class Interpreter.Let

java.lang.Object
  ix.util.lisp.Interpreter.Expr
      ix.util.lisp.Interpreter.Let

Enclosing class:

Interpreter

public static class Interpreter.Let
extends Interpreter.Expr

An expression that binds variables and then evaluates an expression in the resulting environment. That environment is an extension of the one in which the Let is evaluated.

Field Summary

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

Fields inherited from class ix.util.lisp.Interpreter.Expr

description

Constructor Summary

Interpreter.Let(java.util.List varList, java.util.List valExprList, Interpreter.Expr body)

Method Summary

protected java.lang.Object	_evalIn(Interpreter.Env env) Implements this expression's semantics.
Expression	externalForm() Returns a representation of this expression that can be understood by the reflection and XML utilities.

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

evalArgs, evalIn, externalForm, makeExprArray, makeVarArray, setDescription, toString

Methods inherited from class java.lang.Object

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

Field Detail

vars

Symbol[] vars

valExprs

Interpreter.Expr[] valExprs

body

Interpreter.Expr body

Constructor Detail

Interpreter.Let

public Interpreter.Let(java.util.List varList,
                       java.util.List valExprList,
                       Interpreter.Expr body)

Method Detail

_evalIn

protected java.lang.Object _evalIn(Interpreter.Env env)

Description copied from class: Interpreter.Expr

Implements this expression's semantics.

Note that this method is usually not called directly. Instead, call Interpreter.Expr.evalIn(Interpreter.Env).

Specified by:

_evalIn in class Interpreter.Expr

externalForm

public Expression externalForm()

Description copied from class: Interpreter.Expr

Returns a representation of this expression that can be understood by the reflection and XML utilities.

Specified by:

externalForm in class Interpreter.Expr

See Also:

IScript