org.hprog.code
Class SchemeInterpreter

java.lang.Object
  |
  +--org.hprog.code.SchemeInterpreter

All Implemented Interfaces:

InteractiveInterpreter

public class SchemeInterpreter

extends java.lang.Object

implements InteractiveInterpreter

Wrapper for SISC Scheme

Constructor Summary

SchemeInterpreter(java.net.URL base)

Method Summary

java.lang.String	errorText(sisc.data.Value v)
void	eval(java.lang.String exp, ResultListener l) Evaluate an expression/command
java.lang.String	fromString(sisc.data.Value v)
java.lang.String	fromSymbol(sisc.data.Value v)
java.lang.String	getLanguage() The language this interpreter interprets
java.lang.String	getName() The name of the implementation
boolean	interrupt() Request that evaluation be ended early
void	load(java.util.Iterator f, ResultListener l) Load source files into the interpreter
static void	printEnv(sisc.env.SymbolicEnvironment env)

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemeInterpreter

public SchemeInterpreter(java.net.URL base)

Method Detail

printEnv

public static void printEnv(sisc.env.SymbolicEnvironment env)

getLanguage

public java.lang.String getLanguage()

Description copied from interface: InteractiveInterpreter

The language this interpreter interprets

Specified by:

getLanguage in interface InteractiveInterpreter

getName

public java.lang.String getName()

Description copied from interface: InteractiveInterpreter

The name of the implementation

Specified by:

getName in interface InteractiveInterpreter

fromString

public java.lang.String fromString(sisc.data.Value v)

fromSymbol

public java.lang.String fromSymbol(sisc.data.Value v)

errorText

public java.lang.String errorText(sisc.data.Value v)

eval

public void eval(java.lang.String exp,
                 ResultListener l)

Description copied from interface: InteractiveInterpreter

Evaluate an expression/command

Specified by:

eval in interface InteractiveInterpreter

Parameters:

exp - expression text

l - listener to notify when evaluation completes (or fails)

load

public void load(java.util.Iterator f,
                 ResultListener l)

Description copied from interface: InteractiveInterpreter

Load source files into the interpreter

Specified by:

load in interface InteractiveInterpreter

Parameters:

f - iteration of InputFiles

l - listener to notify when loading is complete (or fails)

interrupt

public boolean interrupt()

Description copied from interface: InteractiveInterpreter

Request that evaluation be ended early

Specified by:

interrupt in interface InteractiveInterpreter

Returns:

whether evaluation was really interrupted