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com.memoire.silk
Class SilkScheme  

java.lang.Object
  com.memoire.silk.SilkSchemeUtils
      com.memoire.silk.SilkScheme

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public class SilkScheme

extends SilkSchemeUtils

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

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Field Summary
java.io.PrintWriter	error
SilkEnvironment	globalSilkEnvironment
SilkInputPort	input
java.io.PrintWriter	output

 

Fields inherited from class com.memoire.silk.SilkSchemeUtils

FALSE, ONE, TRUE, ZERO

 

Constructor Summary

SilkScheme()           Create a SilkScheme interpreter and load an array of files into it.

 

Method Summary
java.lang.Object	eval(java.lang.Object x)           Eval in the global environment.
java.lang.Object	eval(java.lang.Object x, SilkEnvironment env)           Evaluate an object, x, in an environment.
(package private)  SilkPair	evalList(java.lang.Object list, SilkEnvironment env)           Evaluate each of a list of expressions.
void	exit()
java.lang.Object	load(java.lang.Object fileName)           Eval all the expressions in a file.
java.lang.Object	load(SilkInputPort in)           Eval all the expressions coming from an SilkInputPort.
void	readEvalWriteLoop()           Prompt, read, eval, and write the result.
(package private)  java.lang.Object	reduceCond(java.lang.Object clauses, SilkEnvironment env)           Reduce a cond expression to some code which, when evaluated, gives the value of the cond expression.

 

Methods inherited from class com.memoire.silk.SilkSchemeUtils

chr, chr, cons, equal, eqv, error, first, inPort, length, list, list, listStar, listToString, listToVector, num, num, outPort, p, p, rest, reverse, second, setFirst, setRest, str, stringify, stringify, stringify, 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

 

Field Detail

input

public SilkInputPort input

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output

public java.io.PrintWriter output

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error

public java.io.PrintWriter error

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globalSilkEnvironment

public SilkEnvironment globalSilkEnvironment

Constructor Detail

SilkScheme

public SilkScheme()

Create a SilkScheme interpreter and load an array of files into it. Also load SilkSchemePrimitives.CODE.

Method Detail

exit

public void exit()

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readEvalWriteLoop

public void readEvalWriteLoop()

Prompt, read, eval, and write the result. Also sets up a catch for any RuntimeExceptions encountered.

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load

public java.lang.Object load(java.lang.Object fileName)

Eval all the expressions in a file. Calls load(SilkInputPort).

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load

public java.lang.Object load(SilkInputPort in)

Eval all the expressions coming from an SilkInputPort.

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eval

public java.lang.Object eval(java.lang.Object x,
                             SilkEnvironment env)

Evaluate an object, x, in an environment.

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eval

public java.lang.Object eval(java.lang.Object x)

Eval in the global environment.

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evalList

SilkPair evalList(java.lang.Object list,
                  SilkEnvironment env)

Evaluate each of a list of expressions.

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reduceCond

java.lang.Object reduceCond(java.lang.Object clauses,
                            SilkEnvironment env)

Reduce a cond expression to some code which, when evaluated, gives the value of the cond expression. We do it that way to maintain tail recursion.

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Overview  Package   Class  Use  Deprecated  Index
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