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Class silk.Scheme

java.lang.Object
    |
    +----silk.SchemeUtils
            |
            +----silk.Scheme

public class Scheme
extends SchemeUtils
This class represents a Scheme interpreter. See http://www.norvig.com/SILK.html for more documentation. This is version 1.4.


Fields inherited from class silk.SchemeUtils
 FALSE, ONE, TRUE, ZERO
 

Constructor Summary
 Scheme(java.lang.String[] files)
Create a Scheme interpreter and load an array of files into it.
 

Method Summary
java.lang.Object  eval(java.lang.Object x, Environment env)
Evaluate an object, x, in an environment.
java.lang.Object  eval(java.lang.Object x)
Eval in the global environment.
java.lang.Object  load(java.lang.Object fileName)
Eval all the expressions in a file.
java.lang.Object  load(InputPort in)
Eval all the expressions coming from an InputPort.
static void  main(java.lang.String[] files)
Create a new Scheme interpreter, passing in the command line args as files to load, and then enter a read eval write loop.
void  readEvalWriteLoop()
Prompt, read, eval, and write the result.
 
Methods inherited from class silk.SchemeUtils
 chr, chr, cons, equal, eqv, error, first, inPort, length, list, list, listStar, listToString, listToVector, num, num, outPort, rest, reverse, second, setFirst, setRest, str, sym, third, truth, truth, vec, vectorToList, warn, write
 
Methods inherited from class java.lang.Object
 clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Scheme

public Scheme(java.lang.String[] files)
Create a Scheme interpreter and load an array of files into it. Also load SchemePrimitives.CODE.
Method Detail

main

public static void main(java.lang.String[] files)
Create a new Scheme interpreter, passing in the command line args as files to load, and then enter a read eval write loop.

readEvalWriteLoop

public void readEvalWriteLoop()
Prompt, read, eval, and write the result. Also sets up a catch for any RuntimeExceptions encountered.

load

public java.lang.Object load(java.lang.Object fileName)
Eval all the expressions in a file. Calls load(InputPort).

load

public java.lang.Object load(InputPort in)
Eval all the expressions coming from an InputPort.

eval

public java.lang.Object eval(java.lang.Object x,
                   Environment env)
Evaluate an object, x, in an environment.

eval

public java.lang.Object eval(java.lang.Object x)
Eval in the global environment.

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