websphinx.workbench
Interface ScriptInterpreter

All Known Implementing Classes:

Netscape

public interface ScriptInterpreter

Method Summary

java.lang.Object	apply(java.lang.Object func, java.lang.Object[] args) Call a procedure or function.
java.lang.Object	eval(java.lang.String expression) Evaluate an expression in the script language.
java.lang.Object	get(java.lang.String name) Get a variable defined in the interpreter's global namespace
java.lang.String	getLanguage() Return name of language this interpreter handles.
java.lang.Object	lambda(java.lang.String[] args, java.lang.String body) Construct a procedure or function.
void	set(java.lang.String name, java.lang.Object object) Set a variable in the interpreter's global namespace

Method Detail

getLanguage

public java.lang.String getLanguage()

Return name of language this interpreter handles.

Returns:

Language name, such as "Javascript" or "TCL"

eval

public java.lang.Object eval(java.lang.String expression)
                      throws ScriptException

Evaluate an expression in the script language.

Parameters:

expression - Expression to evaluate

Throws:

ScriptException - if execution encounters an error

lambda

public java.lang.Object lambda(java.lang.String[] args,
                               java.lang.String body)
                        throws ScriptException

Construct a procedure or function.

Parameters:

args - Argument names

body - Function body

Returns:

Function object suitable for apply()

Throws:

ScriptException - if execution encounters an error

apply

public java.lang.Object apply(java.lang.Object func,
                              java.lang.Object[] args)
                       throws ScriptException

Call a procedure or function.

Parameters:

func - Function object (previously returned by lambda()

args - Arguments for the function

Throws:

ScriptException - if execution encounters an error

set

public void set(java.lang.String name,
                java.lang.Object object)

Set a variable in the interpreter's global namespace

Parameters:

name - Name of variable

object - New value for variable

get

public java.lang.Object get(java.lang.String name)

Get a variable defined in the interpreter's global namespace

Parameters:

name - Name of variable to get

Returns:

Value of variable, or null if not defined