Package com.scriptbasic.interfaces

Interface CommandFactory

All Known Implementing Classes:

BasicCommandFactory

public interface CommandFactory

A CommandFactory analyzes a BASIC program line and creates a Command that is the result of the analysis.

Author:

Peter Verhas date June 15, 2012

Method Summary

Modifier and Type	Method	Description
Command	create(java.lang.String commandKeyword)	Create a Command that starts with the keyword.

Method Detail

create

Command create(java.lang.String commandKeyword)
        throws AnalysisException

Create a Command that starts with the keyword.

Parameters:

commandKeyword - the command keyword lexeme or null in case the command does not start with a keyword (e.g. procedure call or assignment or a DSL sentence)

Returns:

the created command

Throws:

AnalysisException - is there is a lexical or syntax exception if there is some error with the command factory itself and it can not analyze the line and does not know what the error is. (probably the syntax of the line is totally wrong)